CVE-2025-9714 Affecting libxml2-devel package, versions <0:2.9.7-21.el8_10.4


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-ALMALINUX8-LIBXML2DEVEL-16341436
  • published2 May 2026
  • disclosed1 Dec 2025

Introduced: 1 Dec 2025

CVE-2025-9714  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 libxml2-devel to version 0:2.9.7-21.el8_10.4 or higher.
This issue was patched in ALSA-2026:11349.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxml2-devel package and not the libxml2-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

Uncontrolled recursion in XPath evaluation in libxml2 up to and including version 2.9.14 allows a local attacker to cause a stack overflow via crafted expressions. XPath processing functions xmlXPathRunEval, xmlXPathCtxtCompile, and xmlXPathEvalExpr were resetting recursion depth to zero before making potentially recursive calls. When such functions were called recursively this could allow for uncontrolled recursion and lead to a stack overflow. These functions now preserve recursion depth across recursive calls, allowing recursion depth to be controlled.

CVSS Base Scores

version 3.1