Use After Free Affecting libxml2 package, versions <0:2.9.1-6.amzn2.5.5


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.59% (79th percentile)

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  • Snyk IDSNYK-AMZN2-LIBXML2-2957338
  • published21 Jul 2022
  • disclosed26 Feb 2022

Introduced: 26 Feb 2022

CVE-2022-23308  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libxml2 to version 0:2.9.1-6.amzn2.5.5 or higher.
This issue was patched in ALAS2-2022-1826.

NVD Description

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

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes.

CVSS Scores

version 3.1