CVE-2024-56171 Affecting libxml2 package, versions <0:2.9.13-6.el9_5.2


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LIBXML2-9403043
  • published13 Mar 2025
  • disclosed12 Mar 2025

Introduced: 12 Mar 2025

NewCVE-2024-56171  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 libxml2 to version 0:2.9.13-6.el9_5.2 or higher.
This issue was patched in ALSA-2025:2679.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2 package and not the libxml2 package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a use-after-free in xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables in xmlschemas.c. To exploit this, a crafted XML document must be validated against an XML schema with certain identity constraints, or a crafted XML schema must be used.

CVSS Base Scores

version 3.1