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...

Important: python3.14 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

RHEL 10 : python3.14 (RHSA-2026:58928)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:58928 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic...

openSUSE 16: libpython3_13-1_0 / libpython3_13-1_0-x86-64-v3 / libpython3_13t1_0 / etc (openSUSE-SU-2026:21595-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21595-1 advisory. - CVE-2025-15366: user-controlled command can allow additional commands injected using newlines bsc1257044. - CVE-2025-15367: control characters...

OPENSUSE-SU-2026:21595-1 Security update for python313

This update for python313 fixes the following issues: - CVE-2025-15366: user-controlled command can allow additional commands injected using newlines bsc1257044. - CVE-2025-15367: control characters may allow the injection of additional commands bsc1257041. - CVE-2026-0864: improper handling of...

SUSE-SU-2026:23159-1 Security update for python313

This update for python313 fixes the following issues: - CVE-2025-15366: user-controlled command can allow additional commands injected using newlines bsc1257044. - CVE-2025-15367: control characters may allow the injection of additional commands bsc1257041. - CVE-2026-0864: improper handling of...

SUSE-SU-2026:3530-1 Security update for python310

This update for python310 fixes the following issues: Security issues fixed: - CVE-2026-0864: improper handling of line-ending characters can lead to configuration file injection when the configparser module is used bsc1269066. - CVE-2026-3276: quadratic complexity in unicodedata.normalize can le...

Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2026-1996)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1996 advisory. The incremental HTML parser html.parser.HTMLParser allows for CPUdenial-of-service through repeated unterminated markup declarations whenprocessing uncontrolled data. CVE-2026-15308 In the...

Important: python3.9

Issue Overview: The incremental HTML parser html.parser.HTMLParser allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data. CVE-2026-15308 In the Tarfile.extract function, the filter parameter is not passed properly when extracting...

Important: python3.14

Issue Overview: When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters \r the resulting file could be injected with unexpected keys and values if the attacker controls the written value. CVE-2026-0864 The incremental HTM...

Important: python3.13

Issue Overview: The incremental HTML parser html.parser.HTMLParser allows for CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data. CVE-2026-15308 In the Tarfile.extract function, the filter parameter is not passed properly when extracting...

BIT-LIBPYTHON-2026-11940 tarfile extraction filter bypass allows escaping the destination directory

tarfile.extractall with the 'data' or 'tar' filter could be bypassed by a crafted archive where a hardlink references a symlink stored at a deeper name than the hardlink itself. The extraction fallback validated the symlink at it's archived location but recreated it at the hardlink's shallower...

Important: python3.12

Issue Overview: When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters \r the resulting file could be injected with unexpected keys and values if the attacker controls the written value. CVE-2026-0864 When using the...

CVE-2026-62239 FlashAttention Symlink Attack via tarfile.extractall in hopper/setup.py

FlashAttention through 2.8.3.post1, fixed in commit 0816ef1, contains a symlink attack vulnerability in the downloadandcopy function within hopper/setup.py that extracts NVIDIA toolchain archives without validating symlinks or filtering tar members. A local attacker can pre-plant a symlink in the...

cpython: python: Extraction filter bypass for linking outside extraction directory

A flaw was found in CPython's tarfile module. This vulnerability allows bypassing of extraction filters, enabling symlink traversal outside the intended extraction directory and potential modification of file metadata via malicious tar archives using TarFile.extractall or TarFile.extract with the...

SUSE CVE-2026-4360

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

DEBIAN-CVE-2026-4360

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

UBUNTU-CVE-2026-4360

In the Tarfile.extract function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract function...

Aim External Control of File Name or Path vulnerability

A vulnerability in aimhubio/aim version 3.19.3 allows an attacker to exploit the tarfile.extractall function to extract the contents of a maliciously crafted tarfile to arbitrary locations on the host server. The attacker can control repo.path and runhash to bypass directory existence checks and...