PSF-0000-CVE-2026-82049

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

EUVD-2026-77772

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049 tarfile extraction filters allow file modification and content disclosure via hard link to symlink

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049 tarfile extraction filters allow file modification and content disclosure via hard link to symlink

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

PSF-2026-41

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049

CPython 3.13 and earlier are affected by a vulnerability in the tarfile module's data and tar extraction filters . A crafted archive containing a hard link to a symbolic link can cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049 tarfile extraction filters allow file modification and content disclosure via hard link to symlink

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

Astra Linux – Vulnerability found in Python 3.11, Python 2.7, and Python 3.7

There is a low-severity vulnerability affecting CPython, specifically the ‘http.cookies’ standard library module. When parsing cookies where quotes were represented by backslashes in the cookie value, the parser uses an algorithm with quadratic complexity, resulting in excessive CPU resources bei...

Astra Linux – Vulnerability found in Python 3.11, Python 2.7, Python 3.7, and Pypy

There is a medium-severity vulnerability affecting CPython. Regular expressions that allow excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS through specifically crafted tar archives...

CVE-2026-82049: Improper Link Resolution Before File Access

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

CVE-2026-82049: Improper Link Resolution Before File Access

In CPython 3.13 and earlier, the tarfile module's data and tar extraction filters are vulnerable to crafted archives containing a hard link to a symbolic link. Such archives may cause extraction to modify the permissions or modification time of a file outside the destination directory, or expose...

PT-2026-91410

Name of the Vulnerable Software and Affected Versions CPython versions prior to 3.14 Description The tarfile module's data and extraction filters are susceptible to a bypass when processing crafted archives containing a hard link that targets a symbolic link. This issue occurs during the executio...

Unchecked Return Value

Overview Affected versions of this package are vulnerable to Unchecked Return Value in the tarfile when extracting an archive containing a link on systems that do not support links. An attacker can create or modify arbitrary files on the system by bypassing intended security restrictions during t...

PYSEC-2026-3833 eml_parser has parser DoS via deeply nested parentheses in e-mail headers

Summary emlparser uses the email.utils.getaddresses function from the CPython standard library to parse e-mail headers that contain e-mail addresses such as To, Cc, Bcc, From, Reply-To, Sender, .... When the input header contains a deeply nested CFWS comment / folding white space construct, the...

python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory

A flaw was found in the tarfile.extractall function within Python. A remote attacker could exploit this vulnerability by providing a specially crafted archive. This archive could bypass security filters by using a hardlink that references a symlink, allowing the symlink to be recreated outside th...

Important: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory

A flaw was found in the tarfile.extractall function within Python. A remote attacker could exploit this vulnerability by providing a specially crafted archive. This archive could bypass security filters by using a hardlink that references a symlink, allowing the symlink to be recreated outside th...