CVE-2025-8194 Affecting python2.7 package, versions <2.7.12-1ubuntu0~16.04.18+esm17


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.1% (28th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PYTHON27-11191040
  • published30 Aug 2025
  • disclosed28 Jul 2025

Introduced: 28 Jul 2025

CVE-2025-8194  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 python2.7 to version 2.7.12-1ubuntu0~16.04.18+esm17 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python2.7 package and not the python2.7 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

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.

This vulnerability can be mitigated by including the following patch after importing the “tarfile” module:  https://gist.github.com/sethmlarson/1716ac5b82b73dbcbf23ad2eff8b33e1

CVSS Base Scores

version 3.1