Snyk test report
- quay.io/argoproj/argocd:latest/argoproj/argocd/Dockerfile (deb)
- quay.io/argoproj/argocd:latest/argoproj/argo-cd/v3//usr/local/bin/argocd (gomodules)
- quay.io/argoproj/argocd:latest//usr/local/bin/git-lfs (gomodules)
- quay.io/argoproj/argocd:latest//usr/local/bin/kustomize (gomodules)
- quay.io/argoproj/argocd:latest/helm/v4//usr/local/bin/helm (gomodules)
- quay.io/argoproj/argocd:latest/canonical/pebble//usr/bin/pebble (gomodules)
Directory Traversal
Detailed paths
Overview
Affected versions of this package are vulnerable to Directory Traversal via the processing of reference names in dotgit. An attacker can modify or overwrite files outside the intended reference storage by supplying specially crafted reference names containing path traversal sequences. This is only exploitable if the application uses filesystem-backed storage and interacts with a malicious Git server or processes attacker-controlled reference names.
Workaround
This vulnerability can be mitigated by exclusively using in-memory storage or by validating reference names at the application level before passing them to filesystem-backed storage.
Details
A Directory Traversal attack (also known as path traversal) aims to access files and directories that are stored outside the intended folder. By manipulating files with "dot-dot-slash (../)" sequences and its variations, or by using absolute file paths, it may be possible to access arbitrary files and directories stored on file system, including application source code, configuration, and other critical system files.
Directory Traversal vulnerabilities can be generally divided into two types:
- Information Disclosure: Allows the attacker to gain information about the folder structure or read the contents of sensitive files on the system.
st is a module for serving static files on web pages, and contains a vulnerability of this type. In our example, we will serve files from the public route.
If an attacker requests the following URL from our server, it will in turn leak the sensitive private key of the root user.
curl http://localhost:8080/public/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/root/.ssh/id_rsa
Note %2e is the URL encoded version of . (dot).
- Writing arbitrary files: Allows the attacker to create or replace existing files. This type of vulnerability is also known as
Zip-Slip.
One way to achieve this is by using a malicious zip archive that holds path traversal filenames. When each filename in the zip archive gets concatenated to the target extraction folder, without validation, the final path ends up outside of the target folder. If an executable or a configuration file is overwritten with a file containing malicious code, the problem can turn into an arbitrary code execution issue quite easily.
The following is an example of a zip archive with one benign file and one malicious file. Extracting the malicious file will result in traversing out of the target folder, ending up in /root/.ssh/ overwriting the authorized_keys file:
2018-04-15 22:04:29 ..... 19 19 good.txt
2018-04-15 22:04:42 ..... 20 20 ../../../../../../root/.ssh/authorized_keys
Remediation
Upgrade github.com/go-git/go-git/v5/storage/filesystem/dotgit to version 5.19.2 or higher.
References
Directory Traversal
Detailed paths
Overview
github.com/go-git/go-git/v5/plumbing is a highly extensible git implementation library written in pure Go.
Affected versions of this package are vulnerable to Directory Traversal via the processing of reference names in dotgit. An attacker can modify or overwrite files outside the intended reference storage by supplying specially crafted reference names containing path traversal sequences. This is only exploitable if the application uses filesystem-backed storage and interacts with a malicious Git server or processes attacker-controlled reference names.
Workaround
This vulnerability can be mitigated by exclusively using in-memory storage or by validating reference names at the application level before passing them to filesystem-backed storage.
Details
A Directory Traversal attack (also known as path traversal) aims to access files and directories that are stored outside the intended folder. By manipulating files with "dot-dot-slash (../)" sequences and its variations, or by using absolute file paths, it may be possible to access arbitrary files and directories stored on file system, including application source code, configuration, and other critical system files.
Directory Traversal vulnerabilities can be generally divided into two types:
- Information Disclosure: Allows the attacker to gain information about the folder structure or read the contents of sensitive files on the system.
st is a module for serving static files on web pages, and contains a vulnerability of this type. In our example, we will serve files from the public route.
If an attacker requests the following URL from our server, it will in turn leak the sensitive private key of the root user.
curl http://localhost:8080/public/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/root/.ssh/id_rsa
Note %2e is the URL encoded version of . (dot).
- Writing arbitrary files: Allows the attacker to create or replace existing files. This type of vulnerability is also known as
Zip-Slip.
One way to achieve this is by using a malicious zip archive that holds path traversal filenames. When each filename in the zip archive gets concatenated to the target extraction folder, without validation, the final path ends up outside of the target folder. If an executable or a configuration file is overwritten with a file containing malicious code, the problem can turn into an arbitrary code execution issue quite easily.
The following is an example of a zip archive with one benign file and one malicious file. Extracting the malicious file will result in traversing out of the target folder, ending up in /root/.ssh/ overwriting the authorized_keys file:
2018-04-15 22:04:29 ..... 19 19 good.txt
2018-04-15 22:04:42 ..... 20 20 ../../../../../../root/.ssh/authorized_keys
Remediation
Upgrade github.com/go-git/go-git/v5/plumbing to version 5.19.2 or higher.
References
Symlink Attack
Detailed paths
Overview
Affected versions of this package are vulnerable to Symlink Attack in worktree_fs.go and worktree.go are vulnerable to symlink traversal in filesystem-backed worktrees. An attacker can modify or overwrite files outside the intended worktree by placing a symlink in the tree and then triggering a worktree operation, such as checkout, create, rename, or remove, against a path that resolves through that link. This can redirect writes into the repository’s .git metadata or another external target, leading to arbitrary file write and corruption of repository state, which can break subsequent Git operations and expose or alter files the application did not intend to touch.
Remediation
Upgrade github.com/go-git/go-git/v5 to version 5.19.2 or higher.
References
Out-of-bounds Write
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream zlib package and not the zlib package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf() or gzvprintf() after a write stall, causing an unchecked memmove() to write beyond the internal input buffer boundary.
Remediation
There is no fixed version for Ubuntu:26.04 zlib.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-85091
- https://gist.github.com/thesmartshadow/e0b9481792afb7c31e86fee1ff084490
- https://github.com/madler/zlib
- https://github.com/madler/zlib/blob/v1.3.2/gzwrite.c#L393
- https://www.vulncheck.com/advisories/zlib-1.3.1.2-through-1.3.2-heap-buffer-overflow-via-gz-vacate
Link Following
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary and, when combined with a preexisting symbolic link under the working directory, may allow writing outside that boundary during a single extraction.
Remediation
There is no fixed version for Ubuntu:26.04 tar.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-18508
- https://access.redhat.com/errata/RHSA-2026:50807
- https://access.redhat.com/security/cve/CVE-2026-18508
- https://bugzilla.redhat.com/show_bug.cgi?id=2509843
- https://access.redhat.com/errata/RHSA-2026:61581
- https://access.redhat.com/errata/RHSA-2026:61783
- https://access.redhat.com/errata/RHSA-2026:61586
- https://access.redhat.com/errata/RHSA-2026:66018
Time-of-check Time-of-use (TOCTOU)
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A TOCTOU (Time-of-Check Time-of-Use) vulnerability in GNU tar's incremental dumpdir 'X' rename handling allows a local attacker with write access to a directory being backed up to influence the restore process if the attacker has access to the system where the restore is being performed. During restoration, files or directories may be created, renamed or overwritten outside the intended extraction directory. This could lead to unauthorized file modification or, in some cases, privilege escalation. Exploitation does not require the attacker to modify or craft the archive, and standard backup and restore workflows—including extracting into a newly created directory without using the -P option do not mitigate the issue.
Remediation
There is no fixed version for Ubuntu:26.04 tar.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-18477
- https://access.redhat.com/errata/RHSA-2026:49361
- https://access.redhat.com/security/cve/CVE-2026-18477
- https://bugzilla.redhat.com/show_bug.cgi?id=2509735
- https://access.redhat.com/errata/RHSA-2026:61581
- https://access.redhat.com/errata/RHSA-2026:61783
- https://access.redhat.com/errata/RHSA-2026:61586
- https://access.redhat.com/errata/RHSA-2026:66018
CVE-2026-39113
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream sqlite3 package and not the sqlite3 package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
Buffer Overflow vulnerability in SQLite affected version source snapshots/builds containing Fossil check-in 8bdc0d485e3ad0c7a1e818da66f106951d496b05cbe61d12c2c448f2f24b6d5d (Git mirror 169f68ed88b34cb68f720191c64c058f2ccec508, 2026-03-11) and later snapshots/builds allows an attacker to cause a denial of service via the ext/misc/sqlar.c, sqlarUncompressFunc(), sqlar_uncompress(), sqlite3_value_int64(), sqlite3_malloc(int), uncompress() components
Remediation
There is no fixed version for Ubuntu:26.04 sqlite3.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-39113
- https://github.com/20000419/CVE-2026-39113
- https://github.com/sqlite/sqlite/blob/169f68ed88b34cb68f720191c64c058f2ccec508/ext/misc/sqlar.c
- https://github.com/sqlite/sqlite/commit/169f68ed88b34cb68f720191c64c058f2ccec508
- https://www.sqlite.org/
- https://www.sqlite.org/sqlar.html
CVE-2026-35350
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The cp utility in uutils coreutils fails to properly handle setuid and setgid bits when ownership preservation fails. When copying with the -p (preserve) flag, the utility applies the source mode bits even if the chown operation is unsuccessful. This can result in a user-owned copy retaining original privileged bits, creating unexpected privileged executables that violate local security policies. This differs from GNU cp, which clears these bits when ownership cannot be preserved.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35350
- https://github.com/uutils/coreutils/issues/9750
CVE-2026-35357
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The cp utility in uutils coreutils is vulnerable to an information disclosure race condition. Destination files are initially created with umask-derived permissions (e.g., 0644) before being restricted to their final mode (e.g., 0600) later in the process. A local attacker can race to open the file during this window; once obtained, the file descriptor remains valid and readable even after the permissions are tightened, exposing sensitive or private file contents.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35357
- https://github.com/uutils/coreutils/issues/10011
CVE-2026-35374
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the split utility of uutils coreutils. The program attempts to prevent data loss by checking for identity between input and output files using their file paths before initiating the split operation. However, the utility subsequently opens the output file with truncation after this path-based validation is complete. A local attacker with write access to the directory can exploit this race window by manipulating mutable path components (e.g., swapping a path with a symbolic link). This can cause split to truncate and write to an unintended target file, potentially including the input file itself or other sensitive files accessible to the process, leading to permanent data loss.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35374
- https://github.com/uutils/coreutils/pull/11401
CVE-2026-35373
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A logic error in the ln utility of uutils coreutils causes the program to reject source paths containing non-UTF-8 filename bytes when using target-directory forms (e.g., ln SOURCE... DIRECTORY). While GNU ln treats filenames as raw bytes and creates the links correctly, the uutils implementation enforces UTF-8 encoding, resulting in a failure to stat the file and a non-zero exit code. In environments where automated scripts or system tasks process valid but non-UTF-8 filenames common on Unix filesystems, this divergence causes the utility to fail, leading to a local denial of service for those specific operations.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35373
- https://github.com/uutils/coreutils/pull/11403
CVE-2026-35370
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The id utility in uutils coreutils miscalculates the groups= section of its output. The implementation uses a user's real GID instead of their effective GID to compute the group list, leading to potentially divergent output compared to GNU coreutils. Because many scripts and automated processes rely on the output of id to make security-critical access-control or permission decisions, this discrepancy can lead to unauthorized access or security misconfigurations.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35370
- https://github.com/uutils/coreutils/issues/10006
CVE-2026-35341
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification of permissions on existing files. When mkfifo fails to create a FIFO because a file already exists at the target path, it fails to terminate the operation for that path and continues to execute a follow-up set_permissions call. This results in the existing file's permissions being changed to the default mode (often 644 after umask), potentially exposing sensitive files such as SSH private keys to other users on the system.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35341
- https://github.com/uutils/coreutils/issues/10020
CVE-2026-35367
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The nohup utility in uutils coreutils creates its default output file, nohup.out, without specifying explicit restricted permissions. This causes the file to inherit umask-based permissions, typically resulting in a world-readable file (0644). In multi-user environments, this allows any user on the system to read the captured stdout/stderr output of a command, potentially exposing sensitive information. This behavior diverges from GNU coreutils, which creates nohup.out with owner-only (0600) permissions.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35367
- https://github.com/uutils/coreutils/issues/10021
CVE-2026-35368
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A vulnerability exists in the chroot utility of uutils coreutils when using the --userspec option. The utility resolves the user specification via getpwnam() after entering the chroot but before dropping root privileges. On glibc-based systems, this can trigger the Name Service Switch (NSS) to load shared libraries (e.g., libnss_*.so.2) from the new root directory. If the NEWROOT is writable by an attacker, they can inject a malicious NSS module to execute arbitrary code as root, facilitating a full container escape or privilege escalation.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35368
- https://github.com/uutils/coreutils/issues/10327
CVE-2026-35354
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the mv utility of uutils coreutils during cross-device moves. The extended attribute (xattr) preservation logic uses multiple path-based system calls that perform fresh path-to-inode lookups for each operation. A local attacker with write access to the directory can exploit this race to swap files between calls, causing the destination file to receive an inconsistent mix of security xattrs, such as SELinux labels or file capabilities.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35354
- https://github.com/uutils/coreutils/issues/10014
CVE-2026-35348
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The sort utility in uutils coreutils is vulnerable to a process panic when using the --files0-from option with inputs containing non-UTF-8 filenames. The implementation enforces UTF-8 encoding and utilizes expect(), causing an immediate crash when encountering valid but non-UTF-8 paths. This diverges from GNU sort, which treats filenames as raw bytes. A local attacker can exploit this to crash the utility and disrupt automated pipelines.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35348
- https://github.com/uutils/coreutils/issues/9696
CVE-2026-35371
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The id utility in uutils coreutils exhibits incorrect behavior in its "pretty print" output when the real UID and effective UID differ. The implementation incorrectly uses the effective GID instead of the effective UID when performing a name lookup for the effective user. This results in misleading diagnostic output that can cause automated scripts or system administrators to make incorrect decisions regarding file permissions or access control.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35371
- https://github.com/uutils/coreutils/issues/10006
CVE-2026-35364
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mv utility of uutils coreutils during cross-device operations. The utility removes the destination path before recreating it through a copy operation. A local attacker with write access to the destination directory can exploit this window to replace the destination with a symbolic link. The subsequent privileged move operation will follow the symlink, allowing the attacker to redirect the write and overwrite an arbitrary target file with contents from the source.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35364
- https://github.com/uutils/coreutils/issues/10015
CVE-2026-35351
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The mv utility in uutils coreutils fails to preserve file ownership during moves across different filesystem boundaries. The utility falls back to a copy-and-delete routine that creates the destination file using the caller's UID/GID rather than the source's metadata. This flaw breaks backups and migrations, causing files moved by a privileged user (e.g., root) to become root-owned unexpectedly, which can lead to information disclosure or restricted access for the intended owners.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35351
- https://github.com/uutils/coreutils/issues/9714
CVE-2026-35345
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A vulnerability in the tail utility of uutils coreutils allows for the exfiltration of sensitive file contents when using the --follow=name option. Unlike GNU tail, the uutils implementation continues to monitor a path after it has been replaced by a symbolic link, subsequently outputting the contents of the link's target. In environments where a privileged user (e.g., root) monitors a log directory, a local attacker with write access to that directory can replace a log file with a symlink to a sensitive system file (such as /etc/shadow), causing tail to disclose the contents of the sensitive file.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35345
- https://github.com/uutils/coreutils/issues/10328
CVE-2026-35360
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The touch utility in uutils coreutils is vulnerable to a Time-of-Check to Time-of-Use (TOCTOU) race condition during file creation. When the utility identifies a missing path, it later attempts creation using File::create(), which internally uses O_TRUNC. An attacker can exploit this window to create a file or swap a symlink at the target path, causing touch to truncate an existing file and leading to permanent data loss.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35360
- https://github.com/uutils/coreutils/issues/10019
CVE-2026-35363
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A vulnerability in the rm utility of uutils coreutils allows the bypass of safeguard mechanisms intended to protect the current directory. While the utility correctly refuses to delete . or .., it fails to recognize equivalent paths with trailing slashes, such as ./ or .///. An accidental or malicious execution of rm -rf ./ results in the silent recursive deletion of all contents within the current directory. The command further obscures the data loss by reporting a misleading 'Invalid input' error, which may cause users to miss the critical window for data recovery.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35363
- https://github.com/uutils/coreutils/issues/9749
CVE-2026-35344
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
The dd utility in uutils coreutils suppresses errors during file truncation operations by unconditionally calling Result::ok() on truncation attempts. While intended to mimic GNU behavior for special files like /dev/null, the uutils implementation also hides failures on regular files and directories caused by full disks or read-only file systems. This can lead to silent data corruption in backup or migration scripts, as the utility may report a successful operation even when the destination file contains old or garbage data.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35344
- https://github.com/uutils/coreutils/issues/9745
CVE-2026-35352
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs a path-based chmod to set permissions. A local attacker with write access to the parent directory can swap the newly created FIFO for a symbolic link between these two operations. This redirects the chmod call to an arbitrary file, potentially enabling privilege escalation if the utility is run with elevated privileges.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35352
- http://www.openwall.com/lists/oss-security/2026/05/04/4
- http://www.openwall.com/lists/oss-security/2026/05/04/5
- http://www.openwall.com/lists/oss-security/2026/05/04/6
- https://github.com/uutils/coreutils/issues/10020
CVE-2026-35359
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability in the cp utility of uutils coreutils allows an attacker to bypass no-dereference intent. The utility checks if a source path is a symbolic link using path-based metadata but subsequently opens it without the O_NOFOLLOW flag. An attacker with concurrent write access can swap a regular file for a symbolic link during this window, causing a privileged cp process to copy the contents of arbitrary sensitive files into a destination controlled by the attacker.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35359
- https://github.com/uutils/coreutils/issues/10017
CVE-2026-35377
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream rust-coreutils package and not the rust-coreutils package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A logic error in the env utility of uutils coreutils causes a failure to correctly parse command-line arguments when utilizing the -S (split-string) option. In GNU env, backslashes within single quotes are treated literally (with the exceptions of \ and '). However, the uutils implementation incorrectly attempts to validate these sequences, resulting in an "invalid sequence" error and an immediate process termination with an exit status of 125 when encountering valid but unrecognized sequences like \a or \x. This divergence from GNU behavior breaks compatibility for automated scripts and administrative workflows that rely on standard split-string semantics, leading to a local denial of service for those operations.
Remediation
There is no fixed version for Ubuntu:26.04 rust-coreutils.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-35377
- https://github.com/uutils/coreutils/pull/11512
Uncontrolled Recursion
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream p11-kit package and not the p11-kit package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no recursion depth limit when processing nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TEMPLATE attributes. An unauthenticated attacker with local access to the p11-kit RPC Unix domain socket can send a specially crafted request with deeply nested template attributes, causing stack exhaustion and crashing the p11-kit server process and its dependent services.
Remediation
There is no fixed version for Ubuntu:26.04 p11-kit.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-13757
- https://access.redhat.com/errata/RHSA-2026:37469
- https://access.redhat.com/errata/RHSA-2026:38342
- https://access.redhat.com/errata/RHSA-2026:49668
- https://access.redhat.com/security/cve/CVE-2026-13757
- https://bugzilla.redhat.com/show_bug.cgi?id=2494556
- https://github.com/advisories/GHSA-p2wm-69qx-x25w
- https://access.redhat.com/errata/RHSA-2026:49667
- https://access.redhat.com/errata/RHSA-2026:53371
- https://access.redhat.com/errata/RHSA-2026:54387
- https://access.redhat.com/errata/RHSA-2026:54760
- https://access.redhat.com/errata/RHSA-2026:58981
Improper Restriction of Communication Channel to Intended Endpoints
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw was found in OpenSSH. A local unprivileged attacker on a Linux client host can hijack client-side X11 forwarding connections. This is possible by pre-binding the preferred abstract X socket name when X11 forwarding is enabled and a local UNIX-domain X socket is used. A successful attack can compromise the confidentiality of forwarded X11 traffic, including sensitive window contents and input, and may allow some manipulation of the forwarded session.
Remediation
There is no fixed version for Ubuntu:26.04 openssh.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-55655
- https://access.redhat.com/errata/RHSA-2026:36759
- https://access.redhat.com/errata/RHSA-2026:47755
- https://access.redhat.com/security/cve/CVE-2026-55655
- https://bugzilla.redhat.com/show_bug.cgi?id=2462250
- https://access.redhat.com/errata/RHSA-2026:47756
- https://access.redhat.com/errata/RHSA-2026:47757
- https://access.redhat.com/errata/RHSA-2026:54387
- https://access.redhat.com/errata/RHSA-2026:58981
CVE-2026-18374
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream glibc package and not the glibc package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
Passing an effectively empty string to the ,ccs= syntax extension of the mode argument in the fopen function in the GNU C Library version 2.45 or earlier may result in a heap buffer overflow when the mode string input to the function is attacker controlled.
This usage pattern is not seen in applications in common GNU/Linux distributions and applications that process user-supplied values for ccs should not pass them through without validation.
Remediation
There is no fixed version for Ubuntu:26.04 glibc.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-18374
- https://sourceware.org/bugzilla/show_bug.cgi?id=34574
- https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0015
- http://www.openwall.com/lists/oss-security/2026/08/27/6
Improper Validation of Specified Type of Input
Detailed paths
Overview
Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input in the calls plugin when handling websocket messages containing malformed msgpack frames. An attacker can cause the server to consume excessive memory and crash by sending specially crafted websocket requests.
Remediation
There is no fixed version for github.com/vmihailenco/msgpack/v5.
References
Incorrect Authorization
Detailed paths
Overview
Affected versions of this package are vulnerable to Incorrect Authorization in the ServeHTTP method of ServeMux (runtime/mux.go), which rewrites r.Method from the client-supplied X-HTTP-Method-Override header on form-urlencoded POST requests without restricting the allowed methods. An attacker can reach handlers for restricted verbs such as DELETE, PUT, or PATCH, bypassing method-based access controls enforced at an upstream proxy or WAF, by sending a POST request with Content-Type: application/x-www-form-urlencoded and the override header set to the target method. This requires a deployment where a perimeter proxy or WAF filters on the wire method while trusting the gateway downstream, and a handler must exist for the overridden method.
Note: The WithDisablePathLengthFallback is added in version 2.29.0 but it is disabled by default.
Workaround
This vulnerability can be avoided by stripping the X-HTTP-Method-Override header at the perimeter proxy or WAF, so the enforced wire method is the one the gateway routes on.
Remediation
There is no fixed version for github.com/grpc-ecosystem/grpc-gateway/v2/runtime.
References
Incorrect Authorization
Detailed paths
Overview
Affected versions of this package are vulnerable to Incorrect Authorization in the ServeHTTP method of ServeMux (runtime/mux.go), which rewrites r.Method from the client-supplied X-HTTP-Method-Override header on form-urlencoded POST requests without restricting the allowed methods. An attacker can reach handlers for restricted verbs such as DELETE, PUT, or PATCH, bypassing method-based access controls enforced at an upstream proxy or WAF, by sending a POST request with Content-Type: application/x-www-form-urlencoded and the override header set to the target method. This requires a deployment where a perimeter proxy or WAF filters on the wire method while trusting the gateway downstream, and a handler must exist for the overridden method.
Note: The WithDisablePathLengthFallback is added in version 2.29.0 but it is disabled by default.
Workaround
This vulnerability can be avoided by stripping the X-HTTP-Method-Override header at the perimeter proxy or WAF, so the enforced wire method is the one the gateway routes on.
Remediation
There is no fixed version for github.com/grpc-ecosystem/grpc-gateway/runtime.
References
Improper Encoding or Escaping of Output
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream git package and not the git package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
Git is a source code management tool. When cloning from a server (or fetching, or pushing), informational or error messages are transported from the remote Git process to the client via the so-called "sideband channel". These messages will be prefixed with "remote:" and printed directly to the standard error output. Typically, this standard error output is connected to a terminal that understands ANSI escape sequences, which Git did not protect against. Most modern terminals support control sequences that can be used by a malicious actor to hide and misrepresent information, or to mislead the user into executing untrusted scripts. As requested on the git-security mailing list, the patches are under discussion on the public mailing list. Users are advised to update as soon as possible. Users unable to upgrade should avoid recursive clones unless they are from trusted sources.
Remediation
There is no fixed version for Ubuntu:26.04 git.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2024-52005
- https://github.com/git/git/security/advisories/GHSA-7jjc-gg6m-3329
- https://lore.kernel.org/git/1M9FnZ-1taoNo1wwh-00ESSd@mail.gmx.net
Algorithmic Complexity
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2025-66382
- https://github.com/libexpat/libexpat/issues/1076
- http://www.openwall.com/lists/oss-security/2025/12/02/1
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-253495.html
NULL Pointer Dereference
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-32776
- https://github.com/libexpat/libexpat/pull/1158
- https://github.com/libexpat/libexpat/pull/1159
Loop with Unreachable Exit Condition ('Infinite Loop')
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-32777
- https://github.com/libexpat/libexpat/issues/1161
- https://github.com/libexpat/libexpat/pull/1159
- https://github.com/libexpat/libexpat/pull/1162
- https://issues.oss-fuzz.com/issues/486993411
NULL Pointer Dereference
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-32778
- https://github.com/libexpat/libexpat/pull/1159
- https://github.com/libexpat/libexpat/pull/1163
Insufficient Entropy
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-41080
- https://github.com/libexpat/libexpat/issues/47
- https://github.com/libexpat/libexpat/pull/1183
- https://blog.hartwork.org/posts/expat-2-8-0-released/
- https://www.openwall.com/lists/oss-security/2026/04/26/1
- http://www.openwall.com/lists/oss-security/2026/04/26/1
Algorithmic Complexity
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-45186
- https://github.com/libexpat/libexpat/pull/1216
- http://www.openwall.com/lists/oss-security/2026/05/11/16
- https://access.redhat.com/errata/RHSA-2026:22715
- https://access.redhat.com/errata/RHSA-2026:22721
- https://access.redhat.com/errata/RHSA-2026:23230
- https://access.redhat.com/errata/RHSA-2026:26319
- https://access.redhat.com/errata/RHSA-2026:27201
- https://access.redhat.com/errata/RHSA-2026:29197
- https://access.redhat.com/security/cve/CVE-2026-45186
- https://bugzilla.redhat.com/show_bug.cgi?id=2468575
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45186.json
- https://access.redhat.com/errata/RHSA-2026:58981
Use After Free
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse, XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation. Thus, a use-after-free can occur,
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-50219
- https://github.com/libexpat/libexpat/pull/1246
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in addBinding.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56404
- https://github.com/libexpat/libexpat/pull/1249
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
xmlwf in libexpat before 2.8.2 has an integer overflow in endDoctypeDecl via NOTATION declarations.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56411
- https://github.com/libexpat/libexpat/pull/1263
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in copyString.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56408
- https://github.com/libexpat/libexpat/commit/16e2efd867ea8567ffa012210b52ef5918e20817
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
xmlwf in libexpat before 2.8.2 has an integer overflow in resolveSystemId.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56410
- https://github.com/libexpat/libexpat/pull/1252
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in getAttributeId.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56405
- https://github.com/libexpat/libexpat/pull/1251
Use After Free
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-50219 situation).
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56131
- https://github.com/libexpat/libexpat/pull/1267
Use After Free
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56412
- https://github.com/libexpat/libexpat/pull/1278
Incorrect Synchronization
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56132
- https://github.com/libexpat/libexpat/pull/1272
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in doProlog that is related to storeEntityValue and entity textLen.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56407
- https://github.com/libexpat/libexpat/pull/1262
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in XML_ParseBuffer because it lacked a check that was present in XML_Parse.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56406
- https://github.com/libexpat/libexpat/pull/1255
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
xmlwf in libexpat before 2.8.2 has an integer overflow for the output filename when -d outputDir is used.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56409
- https://github.com/libexpat/libexpat/pull/1259
Integer Overflow or Wraparound
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.2 has an integer overflow in storeAtts.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-56403
- https://github.com/libexpat/libexpat/pull/1232
Out-of-bounds Read
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.3 has an out-of-bounds read and resultant infinite loop because low surrogates are treated the same as high surrogates during Unicode processing in the *_toUtf16 functions.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-72522
- https://bugzilla.mozilla.org/show_bug.cgi?id=2053153
- https://github.com/libexpat/libexpat/pull/1296
- http://www.openwall.com/lists/oss-security/2026/08/11/5
Algorithmic Complexity
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType->defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-66046
- https://github.com/libexpat/libexpat/pull/1321
- https://www.vulncheck.com/advisories/expat-denial-of-service-via-storeatts-quadratic-complexity
Use After Free
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-76957
- https://github.com/libexpat/libexpat/pull/1322
- https://github.com/libexpat/libexpat/pull/1329
Out-of-bounds Read
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.
Remediation
There is no fixed version for Ubuntu:26.04 expat.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-76641
- https://github.com/libexpat/libexpat/commit/98599f6dcc2b460410881fe420f5f55d6bec63bf
- https://github.com/libexpat/libexpat/pull/1331
- https://www.vulncheck.com/advisories/expat-out-of-bounds-read-via-dtdcopy
CVE-2026-13608
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw in the libcurl SASL negotiation for LDAP authentication allows an incomplete handshake sequence to be misinterpreted as a successful cryptographic verification. An attacker executing a Man-in-the-Middle (MITM) attack can inject a premature or shortcut response that bypasses complete peer validation.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-13608
- https://curl.se/docs/CVE-2026-13608.html
- https://curl.se/docs/CVE-2026-13608.json
- https://hackerone.com/reports/3822248
CVE-2026-18924
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent handle is set to share connections with other handles, can lead to use-after-free in the cleanup process.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-18924
- https://curl.se/docs/CVE-2026-18924.html
- https://curl.se/docs/CVE-2026-18924.json
- https://hackerone.com/reports/3916059
CVE-2026-19931
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authentication, when the initial request is done using empty credentials. This can make user B's request get sent over user A's previously authenticated connection.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-19931
- https://curl.se/docs/CVE-2026-19931.html
- https://curl.se/docs/CVE-2026-19931.json
- https://hackerone.com/reports/3923520
CVE-2026-80255
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A Set-Cookie: header using tab (horizontal tab, ASCII code 9) instead of
space (ascii code 32) immediately before the Secure attribute causes curl to
store the cookie without its Secure flag. The cookie might then wrongfully be
sent over plaintext HTTP on subsequent requests to the same host.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-80255
- https://curl.se/docs/CVE-2026-80255.html
- https://curl.se/docs/CVE-2026-80255.json
- https://hackerone.com/reports/3972395
CVE-2026-80230
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
When CURLOPT_PINNEDPUBLICKEY is configured alongside options that disable
standard peer verification (CURLOPT_SSL_VERIFYPEER = 0 and
CURLOPT_SSL_VERIFYHOST = 0), libcurl fails to enforce public key pinning on
connections established without a presented server certificate. Bypassing the
pinning check under these disabled-verification conditions allows
unauthenticated connections to succeed when they should be rejected.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-80230
- https://curl.se/docs/CVE-2026-80230.html
- https://curl.se/docs/CVE-2026-80230.json
- https://hackerone.com/reports/3969300
CVE-2026-82209
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
When libpsl support is enabled, libcurl fails to enforce the Public Suffix
List boundary check when processing a Set-Cookie header where the Domain
attribute explicitly matches an origin host that is itself a public suffix
(e.g., Domain=co.uk set by co.uk).
Instead of coercing it into a strict host-only cookie, libcurl saves the
cookie with wildcard domain scope (.co.uk). Consequently, the cookie is
inappropriately included in subsequent outbound requests or HTTP redirects to
arbitrary sibling subdomains under the same public suffix (e.g.,
attacker.co.uk).
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-82209
- https://curl.se/docs/CVE-2026-82209.html
- https://curl.se/docs/CVE-2026-82209.json
- https://hackerone.com/reports/3972385
CVE-2026-80229
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating easy handles. In OpenSSL 3 provider configurations, libcurl attaches an allocated library context to the easy handle's state and passes it to OpenSSL without acquiring an ownership reference; destroying the easy handle prematurely frees this context while the active connection retains a dangling pointer, leading to a heap-use-after-free upon subsequent I/O or post-handshake operations.
Remediation
There is no fixed version for Ubuntu:26.04 curl.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-80229
- https://curl.se/docs/CVE-2026-80229.html
- https://curl.se/docs/CVE-2026-80229.json
- https://hackerone.com/reports/3969255
Incorrect Resource Transfer Between Spheres
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "logger -p emerg" command is executed, if ForwardToWall=yes is set.
Remediation
There is no fixed version for Ubuntu:26.04 systemd.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-40228
- https://www.openwall.com/lists/oss-security/2026/04/08/1
- http://www.openwall.com/lists/oss-security/2026/05/05/1
CVE-2024-56433
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
shadow-utils (aka shadow) 4.4 through 4.17.0 establishes a default /etc/subuid behavior (e.g., uid 100000 through 165535 for the first user account) that can realistically conflict with the uids of users defined on locally administered networks, potentially leading to account takeover, e.g., by leveraging newuidmap for access to an NFS home directory (or same-host resources in the case of remote logins by these local network users). NOTE: it may also be argued that system administrators should not have assigned uids, within local networks, that are within the range that can occur in /etc/subuid.
Remediation
There is no fixed version for Ubuntu:26.04 shadow.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2024-56433
- https://github.com/shadow-maint/shadow/blob/e2512d5741d4a44bdd81a8c2d0029b6222728cf0/etc/login.defs#L238-L241
- https://github.com/shadow-maint/shadow/issues/1157
- https://github.com/shadow-maint/shadow/releases/tag/4.4
Out-of-bounds Read
Detailed paths
NVD Description
Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Ubuntu.
See How to fix? for Ubuntu:26.04 relevant fixed versions and status.
A flaw was found in OpenSSH. This vulnerability, a heap out-of-bounds read, occurs during the cleanup of GSSAPI (Generic Security Service Application Programming Interface) indicators when a trailing NULL termination is missing in the auth-indicators array. A remote attacker, under specific configurations involving GSSAPI authentication and a Kerberos environment, could exploit this to cause the SSH authentication path to crash or abort. This leads to a denial of service (DoS), impacting the availability of the SSH service.
Remediation
There is no fixed version for Ubuntu:26.04 openssh.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2026-55654
- https://access.redhat.com/errata/RHSA-2026:36759
- https://access.redhat.com/errata/RHSA-2026:47756
- https://access.redhat.com/errata/RHSA-2026:47757
- https://access.redhat.com/security/cve/CVE-2026-55654
- https://bugzilla.redhat.com/show_bug.cgi?id=2462493
- https://access.redhat.com/errata/RHSA-2026:54387
- https://access.redhat.com/errata/RHSA-2026:58981