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ALSA-2025:23323 — Moderate: python3.12 security update

Affected: AlmaLinux:9: python3.12, AlmaLinux:9: python3.12-debug, AlmaLinux:9: python3.12-devel, AlmaLinux:9: python3.12-idle, AlmaLinux:9: python3.12-libs, AlmaLinux:9: python3.12-test, AlmaLinux:9: python3.12-tkinter

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 Fix(es):

* cpython: python: Python zipfile End of Central Directory (EOCD) Locator record offset not checked (CVE-2025-8291)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2026-00313

BIT-libpython-2025-8291 — ZIP64 End of Central Directory (EOCD) Locator record offset not checked

Affected: Bitnami: libpython

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 abused to create ZIP archives that are handled differently by the 'zipfile' module compared to other ZIP implementations.

Remediation maintains this behavior, but checks that the offset specified in the ZIP64 EOCD Locator record matches the expected value.

certfr-2025-avi-0851 — Une vulnérabilité a été découverte dans Python. Elle permet à un attaquant de provoquer un problème de sécurité non spé…

certfr-2025-avi-0851

Withdrawn: CLEANSTART-2026-JY81919 — Security fixes in python3 3.14.0-r0

Withdrawn by the publisher.

Affected: CleanStart: python3

Package python3 version 3.14.0-r0 fixes 1 vulnerabilities: CVE-2025-8291

EUVD-2026-343262

fkie_cve-2025-8291

Remediation maintains this behavior, but checks that the offset specified in the ZIP64 EOCD Locator record matches the expected value.

GHSA-49g5-f6qw-8mm7

Remediation maintains this behavior, but checks that the offset specified in the ZIP64 EOCD Locator record matches the expected value.

msrc_CVE-2025-8291 — ZIP64 End of Central Directory (EOCD) Locator record offset not checked

msrc_CVE-2025-8291

OESA-2025-2574 — python3 security update

Affected: openEuler:20.03-LTS-SP4: python3

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++ (or other languages, depending on the chosen implementation). Python is also usable as an extension language for applications written in other languages that need easy-to-use scripting or automation interfaces. Security Fix(es):

A vulnerability has been found in the CPython `venv` module and CLI where path names provided when creating a virtual environment were not quoted properly, allowing the creator to inject commands into virtual environment activation scripts (ie source venv/bin/activate ). This means that attacker-controlled virtual environments are able to run commands when the virtual environment is activated. Virtual environments which are not created by an attacker or which aren t activated before being used (ie ./venv/bin/python ) are not affected.(CVE-2024-9287)

The zipfile module in CPython would not check the validity of the ZIP64 End of Central Directory (EOCD) Locator record offset value. This offset value was not used to locate the ZIP64 EOCD record; instead, the ZIP64 EOCD record was assumed to be the previous record in the ZIP archive. This could be abused to create ZIP archives that are handled differently by the zipfile module compared to other ZI…

openSUSE-SU-2025:15742-1 — python312-3.12.12-2.1 on GA media

python312-3.12.12-2.1 on GA media

RHSA-2026:0353 — Red Hat Security Advisory: python3.12 security update

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

SUSE-SU-2025:21199-1 — Security update for python311

Security update for python311

UBUNTU-CVE-2025-8291

Affected: Ubuntu:Pro:14.04:LTS: python2.7, Ubuntu:Pro:14.04:LTS: python3.4, Ubuntu:Pro:14.04:LTS: python3.5, Ubuntu:Pro:16.04:LTS: python3.5, Ubuntu:Pro:16.04:LTS: python2.7, Ubuntu:Pro:18.04:LTS: python2.7, Ubuntu:Pro:18.04:LTS: python3.6, Ubuntu:Pro:18.04:LTS: python3.7, Ubuntu:Pro:18.04:LTS: python3.8, Ubuntu:Pro:20.04:LTS: python3.8 and 8 more

WID-SEC-W-2025-2230 — Python (CPython Zipfile Module): Schwachstelle ermöglicht Manipulation von Dateien

Ein entfernter, anonymer Angreifer kann eine Schwachstelle im zipfile-Modul von CPython ausnutzen, um Dateien zu manipulieren.