Red Hat Security Advisory

RHSA-2025:12099

libxml2 security update

Released 2025-07-29 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream E4S (v.9.0) libxml2-devel-2.9.13-1.el9_0.5
Red Hat Enterprise Linux BaseOS E4S (v.9.0) libxml2-2.9.13-1.el9_0.5, python3-libxml2-2.9.13-1.el9_0.5

TI-2025-05441 CVE-2025-6021 · GHSA-32vr-5hxf-x93f

HIGH 72

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01367 Published 2025-06-12 Partial fix · 2.14.4, 2.12.5-7.el10_0 +21 CWE-787

TI-2025-31732 CVE-2025-49796 · GHSA-83xx-9f6p-vwfj

MEDIUM 48

A vulnerability was found in libxml2.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.01558 Published 2025-06-16 Partial fix · 2.15.0, 2.12.5-7.el10_0 +34 CWE-125

TI-2025-31730 CVE-2025-49794 · GHSA-qg4c-8pj4-qgw2

MEDIUM 47

A use-after-free vulnerability was found in libxml2.

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00833 Published 2025-06-16 Partial fix · 2.15.0, 2.12.5-7.el10_0 +33 CWE-825