CVE-2025-8194 Tarfile infinite loop during parsing with negative member offset

There is a defect in the CPython “tarfile” module affecting the “TarFile” extraction and entry enumeration APIs. The tar implementation would process tar archives with negative offsets without error, resulting in an infinite loop and deadlock during the parsing of maliciously crafted tar archives...

PT-2025-31145

Name of the Vulnerable Software and Affected Versions CPython versions affected versions not specified Description A defect exists in the CPython “tarfile” module, impacting the “TarFile” extraction and entry enumeration APIs. The tar implementation processes tar archives with negative offsets...

Alibaba Cloud Linux 3 : 0121: python3.11 (ALINUX3-SA-2025:0121)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2025:0121 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2024-12718: Allows modifying some file...

Azure Linux 3.0 Security Update: python3 (CVE-2025-4330)

The version of python3 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-4330 advisory. - Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination...

CBL Mariner 2.0 Security Update: python3 (CVE-2025-4330)

The version of python3 installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-4330 advisory. - Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination...

Azure Linux 3.0 Security Update: python3 (CVE-2025-4517)

The version of python3 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-4517 advisory. - Allows arbitrary filesystem writes outside the extraction directory during extraction with filter=data. You...

Azure Linux 3.0 Security Update: python3 (CVE-2025-4138)

The version of python3 installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-4138 advisory. - Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination...

CBL Mariner 2.0 Security Update: python3 (CVE-2025-4138)

The version of python3 installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-4138 advisory. - Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination...

BIT-PYTHON-MIN-2025-4517 Arbitrary writes via tarfile realpath overflow

Allows arbitrary filesystem writes outside the extraction directory during extraction with filter="data". You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or TarFile.extract using the filter= parameter with a value of...

BIT-PYTHON-2025-4517 Arbitrary writes via tarfile realpath overflow

Allows arbitrary filesystem writes outside the extraction directory during extraction with filter="data". You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or TarFile.extract using the filter= parameter with a value of...

BIT-PYTHON-MIN-2025-4138 Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory

Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

BIT-PYTHON-2025-4138 Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory

Allows the extraction filter to be ignored, allowing symlink targets to point outside the destination directory, and the modification of some file metadata. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

BIT-PYTHON-MIN-2024-12718 Bypass extraction filter to modify file metadata outside extraction directory

Allows modifying some file metadata e.g. last modified with filter="data" or file permissions chmod with filter="tar" of files outside the extraction directory. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

BIT-PYTHON-2024-12718 Bypass extraction filter to modify file metadata outside extraction directory

Allows modifying some file metadata e.g. last modified with filter="data" or file permissions chmod with filter="tar" of files outside the extraction directory. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using TarFile.extractall or...

cpython: python: Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory

A flaw was found in the Python tarfile module. This vulnerability allows attackers to bypass extraction filters, enabling symlink targets to escape the destination directory and allowing unauthorized modification of file metadata via the use of TarFile.extract or TarFile.extractall with the filte...

Alibaba Cloud Linux 3 : 0107: python3 (ALINUX3-SA-2025:0107)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2025:0107 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2024-12718: Allows modifying some file...

TencentOS Server 3: python3.11 (TSSA-2025:0520)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0520 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

python: cpython: Arbitrary writes via tarfile realpath overflow

A flaw was found in the CPython tarfile module. This vulnerability allows arbitrary filesystem writes outside the extraction directory via extracting untrusted tar archives using the TarFile.extractall or TarFile.extract methods with the extraction filter parameter set to "data" or "tar"...

Important: python3.11 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:...

Important: python3.9

Issue Overview: Allows modifying some file metadata e.g. last modified with filter="data" or file permissions chmod with filter="tar" of files outside the extraction directory. You are affected by this vulnerability if using the tarfile module to extract untrusted tar archives using...