Updated tar packages fix security vulnerabilities

GNU Tar through 1.35 allows file overwrite via directory traversal in crafted TAR archives, with a certain two-step process. CVE-2025-45582 Tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape. CVE-2026-18477 Tar: --one-top-level hardlink targets not confined to...

MGASA-2026-0401 Updated tar packages fix security vulnerabilities

GNU Tar through 1.35 allows file overwrite via directory traversal in crafted TAR archives, with a certain two-step process. CVE-2025-45582 Tar: toctou in incremental dumpdir 'x' rename handling allows restore path escape. CVE-2026-18477 Tar: --one-top-level hardlink targets not confined to...

Astra Linux – Vulnerability in node-tar

node-tar is a fully featured Tar library for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink within the extraction directory that points to a file outside of the extraction root. This allows arbitrary file reading and writing b...

CVE-2026-87910 tarfile hardlink fallback ignores custom extraction filter rejection via None

When tarfile extracts a link on a system that doesn't support links, it falls back to extracting a member from the archive. In this case, the filter function is run twice: once for the extracted member, and once with name set to the location of the link. For one of the calls, the return value was...

CVE-2026-87910 tarfile hardlink fallback ignores custom extraction filter rejection via None

When tarfile extracts a link on a system that doesn't support links, it falls back to extracting a member from the archive. In this case, the filter function is run twice: once for the extracted member, and once with name set to the location of the link. For one of the calls, the return value was...

CVE-2026-87910

CVE-2026-87910 affects Python's tarfile module. When extracting a hardlink on a system without link support, tarfile falls back to extracting the referenced member from the archive. During this fallback, the extraction filter function is invoked twice—once for the extracted member and once with t...

RLSA-2026:61586 Moderate: tar security, bug fix, and enhancement update

The GNU tar program can save multiple files in an archive and restore files from an archive. Security Fixes: tar: tar: Hidden file injection via crafted archives CVE-2026-5704 tar: tar: TOCTOU in incremental dumpdir 'X' rename handling allows restore path escape CVE-2026-18477 tar: tar:...

tar security, bug fix, and enhancement update

An update is available for tar. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The GNU tar program can save multiple files in an archive and restore files from...

RockyLinux 10 : tar (RLSA-2026:61586)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:61586 advisory. tar: tar: Hidden file injection via crafted archives CVE-2026-5704 tar: tar: TOCTOU in incremental dumpdir 'X' rename handling allows restore path esca...

TencentOS Server 3: python3.12 (TSSA-2026:0989)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0989 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

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...

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...

Security Bulletin: Multiple Vulnerabilities in IBM Operator for PostgreSQL

Summary Multiple vulnerabilities were addressed in IBM Operator for PostgreSQL version v28.4.4. Vulnerability Details CVEID:CVE-2026-11822 DESCRIPTION: SQLite before 3.53.2 contains memory corruption vulnerabilities in the FTS5 full-text search extension that allow attackers to cause process...

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...

Oracle Linux 10 : ELSA-2026-61586-0: / tar (ELSA-2026-615860)

The remote Oracle Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-615860 advisory. - Backport upstream patches for CVE-2026-18477, fixes a bug where incremental restore with cyclic renames between backups may create a temporary...

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...

EUVD-2026-67077

NLTK: Downloader.download follows hardlinks and overwrites outside-root files...

External Control of File Name or Path

Overview nltk is a Natural Language Toolkit NLTK is a Python package for natural language processing. Affected versions of this package are vulnerable to External Control of File Name or Path via the Downloader.download and Downloader.incrdownload file-write path in nltk/downloader.py. An attacke...

GHSA-F794-5JV7-7672 NLTK: Downloader.download follows hardlinks and overwrites outside-root files

Summary NLTK's downloader now blocks symlink escapes during ZIP extraction, but it still treats pre-existing hardlinks inside the install tree as ordinary in-root files. A normal package install can therefore overwrite an outside-root inode through that hardlink. Details - Vulnerability type:...

NLTK: Downloader.download follows hardlinks and overwrites outside-root files

Summary NLTK's downloader now blocks symlink escapes during ZIP extraction, but it still treats pre-existing hardlinks inside the install tree as ordinary in-root files. A normal package install can therefore overwrite an outside-root inode through that hardlink. Details - Vulnerability type:...