Use After Free Affecting libxml2-python package, versions <0:2.9.1-6.amzn2.5.15


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2-LIBXML2PYTHON-9299347
  • published7 Mar 2025
  • disclosed26 Jan 2025

Introduced: 26 Jan 2025

CVE-2022-49043  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libxml2-python to version 0:2.9.1-6.amzn2.5.15 or higher.
This issue was patched in ALAS2-2025-2783.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-python package and not the libxml2-python package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free.

CVSS Base Scores

version 3.1