golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

PT-2026-47751

Name of the Vulnerable Software and Affected Versions X-VPN macOS website versions 77.0 through 77.5 Description A race condition and symlink manipulation in the quarantine and restore workflow allow a local attacker to achieve privileged file corruption. Recommendations At the moment, there is n...

PT-2026-48120

Hermes WebUI before version 0.51.303 contains a time-of-check time-of-use TOCTOU race condition vulnerability in the git discard function within api/workspace git.py that allows attackers to delete files outside the configured workspace boundary by replacing a validated path component with a...

USN-8349-2: rsync regression

USN-8349-1 fixed vulnerabilities in rsync. The update introduced multiple regressions in rsync functionality. This update fixes the problem. Original advisory details: Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote attacker with...

USN-8349-2 rsync regression

USN-8349-1 fixed vulnerabilities in rsync. The update introduced multiple regressions in rsync functionality. This update fixes the problem. Original advisory details: Calum Hutton discovered that rsync contained a heap-based out-of-bounds read when handling file transfers. A remote attacker with...

kernel: smb: client: fix OOB reads parsing symlink error response

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote, untrusted server could send a specially crafted symlink error response, leading to an out-of-bounds read vulnerability. This could result in the disclosure of sensitive information from the kernel's memory to a loca...

JLSEC-2026-603

Symlink following in PostgreSQL pgbasebackup plain format and in pgrewind allows an origin superuser to overwrite local files, e.g. /var/lib/postgres/.bashrc, that hijack the operating system account. It will remain the case that starting the server after these commands implicitly trusts the orig...

BIT-PYTHON-MIN-2026-7774 tarfile.data_filter path traversal bypass allows writing outside the extraction directory

tarfile.datafilter could be bypassed using crafted link entries, including symlinks with empty or directory-like names, to redirect later archive members outside the intended extraction directory. This allowed a malicious tar archive to cause tarfile.extractall to write files outside the...

golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root

A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the Root.Chmod function is replaced with a symbolic link during execution, specifically after Root.Chmod checks the target but before acting, the chmod operation will be performed on the file the...

RHEL 9 : rhc (RHSA-2026:24337)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24337 advisory. rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management. Security...

PT-2026-48375

Name of the Vulnerable Software and Affected Versions ansible.posix affected versions not specified Description A local privilege escalation issue exists in the authorized key module. The keyfile function utilizes os.chown instead of os.lchown and opens files without the O NOFOLLOW flag when...

Amazon Linux 2023 : postgresql15, postgresql15-contrib, postgresql15-llvmjit (ALAS2023-2026-1768)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1768 advisory. Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to...

Amazon Linux 2023 : perl-Archive-Tar, perl-Archive-Tar-tests (ALAS2023-2026-1805)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1805 advisory. Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. makespecialfile passes the tar header's linkname to symlink witho...

Important: postgresql18

Issue Overview: Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions...

Important: postgresql15

Issue Overview: Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions...

Important: postgresql16

Issue Overview: Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions...

Important: postgresql

Issue Overview: Missing authorization in PostgreSQL CREATE TYPE allows an object creator to hijack other queries that use searchpath to find user-defined types, including extension-defined types. That is to say, the victim will execute arbitrary SQL functions of the attacker's choice. Versions...

Important: perl-Archive-Tar

Issue Overview: Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. makespecialfile passes the tar header's linkname to symlink without validating it against absolute paths or .. segments. The secure-extract mode check tha...

Important: perl-Archive-Tar

Issue Overview: Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. makespecialfile passes the tar header's linkname to symlink without validating it against absolute paths or .. segments. The secure-extract mode check tha...