PT-2025-37090 · Libxml2+9 · Libxml2+9

Nikita Sveshnikov

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Published

2022-07-29

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Updated

2026-04-28

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CVE-2025-9714

CVSS v3.1

6.2

Medium

VectorAV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions: libxml2 versions prior to 2.9.15
Description: An uncontrolled recursion issue in XPath evaluation within libxml2 allows a local attacker to cause a stack overflow through crafted expressions. The XPath processing functions xmlXPathRunEval, xmlXPathCtxtCompile, and xmlXPathEvalExpr previously reset recursion depth to zero before making potentially recursive calls, enabling uncontrolled recursion and a potential stack overflow when called recursively. These functions now preserve recursion depth across recursive calls, allowing for controlled recursion.
Recommendations: Update to libxml2 version 2.9.15 or later.

Fix

DoS

Uncontrolled Recursion

Weakness Enumeration

Related Identifiers

ALSA-2025:22376
ALSA-2026:11349
ALT-PU-2025-12631
ALT-PU-2025-13303
BDU:2026-02937
CVE-2025-9714
DLA-4319-1
ECHO-8406-E671-1093
INFSA-2025_22376
OESA-2025-2255
OESA-2025-2285
RHSA-2025:22162
RHSA-2025:22163
RHSA-2025:22177
RHSA-2025:22376
RHSA-2025:22377
RHSA-2026:11349
RHSA-2026:14832
RHSA-2026:14858
RHSA-2026:15967
RHSA-2026:7519
SUSE-SU-2025:4104-1
SUSE-SU-2025:4115-1
SUSE-SU-2025:4116-1
USN-7743-1

Affected Products

Alt Linux
Almalinux
Debian
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu
Libxml2