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ALSA-2025:2679 — Important: libxml2 security update

Affected: AlmaLinux:9: libxml2, AlmaLinux:9: libxml2-devel, AlmaLinux:9: python3-libxml2

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

* libxml2: Use-After-Free in libxml2 (CVE-2024-56171) * libxml2: Stack-based buffer overflow in xmlSnprintfElements of libxml2 (CVE-2025-24928)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

bdu:2025-05193

BELL-CVE-2025-24928

Affected: Alpaquita:23: libxml2, Alpaquita:stream: libxml2, BellSoft Hardened Containers:23: libxml2, BellSoft Hardened Containers:stream: libxml2

BIT-java-2025-24928

Affected: Bitnami: java

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.

certfr-2025-avi-0329 — De multiples vulnérabilités ont été découvertes dans Tenable Nessus. Certaines d'entre elles permettent à un attaquant…

certfr-2025-avi-0329

EUVD-2026-273257

fkie_cve-2025-24928

GHSA-fgfv-9xqc-v794

msrc_CVE-2025-24928 — libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To…

msrc_CVE-2025-24928

OESA-2025-1225 — libxml2 security update

Affected: openEuler:22.03-LTS-SP4: libxml2, openEuler:24.03-LTS: libxml2, openEuler:24.03-LTS-SP1: libxml2, openEuler:20.03-LTS-SP4: libxml2, openEuler:22.03-LTS-SP3: libxml2

This library allows to manipulate XML files. It includes support to read, modify and write XML and HTML files. There is DTDs support this includes parsing and validation even with complex DtDs, either at parse time or later once the document has been modified. The output can be a simple SAX stream or and in-memory DOM like representations. In this case one can use the built-in XPath and XPointer implementation to select sub nodes or ranges. A flexible Input/Output mechanism is available, with existing HTTP and FTP modules and combined to an URI library. Security Fix(es):

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.(CVE-2024-56171)

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a NULL pointer dereference in xmlPatMatch in pattern.c.(CVE-2025-27113)

openSUSE-SU-2025:14830-1 — libxml2-2-2.13.6-1.1 on GA media

libxml2-2-2.13.6-1.1 on GA media

RHSA-2025:2482 — Red Hat Security Advisory: libxml2 security update

libxml2: Use-After-Free in libxml2 libxml2: Stack-based buffer overflow in xmlSnprintfElements of libxml2

SUSE-SU-2025:0746-1 — Security update for libxml2

Security update for libxml2

UBUNTU-CVE-2025-24928

Affected: Ubuntu:Pro:14.04:LTS: libxml2, Ubuntu:Pro:16.04:LTS: libxml2, Ubuntu:Pro:18.04:LTS: libxml2, Ubuntu:20.04:LTS: libxml2, Ubuntu:22.04:LTS: libxml2, Ubuntu:24.04:LTS: libxml2

WID-SEC-W-2025-0403 — libxml2: Mehrere Schwachstellen

Ein lokaler Angreifer kann mehrere Schwachstellen in libxml2 ausnutzen, um einen Denial-of-Service-Zustand zu erzeugen oder einen nicht näher spezifizierten Angriff zu starten.