Use After Free Affecting python3-libxml2 package, versions <0:2.9.7-12.el8_5


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (78th percentile)

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  • Snyk IDSNYK-RHEL8-PYTHON3LIBXML2-4201913
  • published23 Feb 2022
  • disclosed20 Feb 2022

Introduced: 20 Feb 2022

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

How to fix?

Upgrade RHEL:8 python3-libxml2 to version 0:2.9.7-12.el8_5 or higher.
This issue was patched in RHSA-2022:0899.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libxml2 package and not the python3-libxml2 package as distributed by RHEL. See How to fix? for RHEL:8 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