cpython: python: Python zipfile End of Central Directory (EOCD) Locator record offset not checked

A zip file handling flaw has been discovered in the python standard library zipfile module. The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory EOCD Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record wou...

RHEL 9 : python3.12 (RHSA-2025:23323)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:23323 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

Moderate: python3.12 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:...

Moderate: python3.9 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:...

SUSE-SU-2025:4257-2 Security update for python311

This update for python311 fixes the following issues: Update to 3.11.14: - CVE-2025-6075: Fixed simple quadratic complexity vulnerabilities of os.path.expandvars bsc1252974 - CVE-2025-8291: Fixed validity of the ZIP64 End of Central Directory EOCD not checked by the 'zipfile' module bsc1251305...

Security update for python

This update for python fixes the following issues: CVE-2025-6075: quadratic complexity in os.path.expandvars can lead to performance degradation when values passed to it are user-controlled bsc1252974. CVE-2025-8291: lack of validity checks on the ZIP64 End of Central Directory EOCD record allows...

Security update for python310

This update for python310 fixes the following issues: Update to 3.10.19: CVE-2025-6075: Fixed simple quadratic complexity vulnerabilities of os.path.expandvars. bsc1252974 CVE-2025-8291: Check the validity the ZIP64 End of Central Directory EOCD. bsc1251305 Patch Instructions: To install this SUS...

SUSE-SU-2025:21207-1 Security update for python311

This update for python311 fixes the following issues: Update to 3.11.14: - CVE-2025-8291: Fixed validity of the ZIP64 End of Central Directory EOCD is not checked by the 'zipfile' module bsc1251305. - CVE-2025-6075: Fixed the value passed to os.path.expandvars is user-controlled a performance...

USN-7886-2: Python vulnerabilities

USN-7886-1 fixed vulnerabilities in Python. This update provides the corresponding updates for python3.13 in Ubuntu 25.04 and Ubuntu 25.10. Original advisory details: It was discovered that Python inefficiently handled expanding system environment variables. An attacker could possibly use this...

Security update for python311

This update for python311 fixes the following issues: Update to 3.11.14: CVE-2025-6075: Fixed simple quadratic complexity vulnerabilities of os.path.expandvars bsc1252974 CVE-2025-8291: Fixed validity of the ZIP64 End of Central Directory EOCD not checked by the 'zipfile' module bsc1251305 Patch...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : Python vulnerabilities (USN-7886-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7886-1 advisory. It was discovered that Python inefficiently handled expanding system environment variables. A...

USN-7886-1: Python vulnerabilities

It was discovered that Python inefficiently handled expanding system environment variables. An attacker could possibly use this issue to cause Python to consume excessive resources, leading to a denial of service. CVE-2025-6075 Caleb Brown discovered that Python incorrectly handled the ZIP64 End ...

OESA-2025-2576 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

OESA-2025-2575 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

uv allows ZIP payload obfuscation through parsing differentials

Impact In versions 0.9.5 and earlier of uv, ZIP archives were handled in a manner that enabled two parsing differentials against other components of the Python packaging ecosystem: 1. Central directory entries in a ZIP archive can contain comment fields. However, uv would assume that these fields...

GHSA-PQHF-P39G-3X64 uv allows ZIP payload obfuscation through parsing differentials

Impact In versions 0.9.5 and earlier of uv, ZIP archives were handled in a manner that enabled two parsing differentials against other components of the Python packaging ecosystem: 1. Central directory entries in a ZIP archive can contain comment fields. However, uv would assume that these fields...

Amazon Linux 2023 : python3.11, python3.11-devel, python3.11-idle (ALAS2023-2025-1236)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1236 advisory. The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory EOCD Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record...

Amazon Linux 2 : python3, --advisory ALAS2-2025-3041 (ALAS-2025-3041)

The version of python3 installed on the remote host is prior to 3.7.16-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-3041 advisory. The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory EOCD Locator record offset value would not...

Amazon Linux 2023 : python3.12, python3.12-devel, python3.12-idle (ALAS2023-2025-1232)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1232 advisory. The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory EOCD Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record...

Medium: python3.13

Issue Overview: The 'zipfile' module would not check the validity of the ZIP64 End of Central Directory EOCD Locator record offset value would not be used to locate the ZIP64 EOCD record, instead the ZIP64 EOCD record would be assumed to be the previous record in the ZIP archive. This could be...