# CVE-2025-24928: libxml2: libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based bufferoverflow in xmlSnprintfElements in valid.c CVE-2025-24928 is fixed in 11 products on 1 platform, first by RHBA-2025:6597, released February 18, 2025. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2025-24928 - Priority: High - CVSS: 8.1 (Medium) - EPSS: 0.0039 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 18, 2025 ## Description libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based bufferoverflow in xmlSnprintfElements in valid.c. To exploit this, DTD validationmust occur for an untrusted document or untrusted DTD. NOTE: this issimilar to CVE-2017-9047. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libxml2 Debian 12.15 (bookworm) | 2.9.14+dfsg-1.3~deb12u2 | [DEBIAN-CVE-2025-24928](https://patchblox.com/security/data/fix/linux/debian-cve-2025-24928.md) | Feb 18, 2025 | | Linux | libxml2 Debian 13.5 (trixie) | 2.12.7+dfsg+really2.9.14-0.4 | [DEBIAN-CVE-2025-24928](https://patchblox.com/security/data/fix/linux/debian-cve-2025-24928.md) | Feb 18, 2025 | | Linux | libxml2 Debian 14 | 2.12.7+dfsg+really2.9.14-0.4 | [DEBIAN-CVE-2025-24928](https://patchblox.com/security/data/fix/linux/debian-cve-2025-24928.md) | Feb 18, 2025 | | Linux | libxml2 RHEL 10 | 2.12.5-5.el10_0 | [RHBA-2025:6597](https://patchblox.com/security/data/fix/linux/rhba-2025-6597.md) | Feb 18, 2025 | | Linux | libxml2 RHEL 8 | 0:2.9.7-19.el8_10 | [RHSA-2025:2686](https://patchblox.com/security/data/fix/linux/rhsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2 RHEL 9 | 0:2.9.13-6.el9_5.2 | [RHSA-2025:2679](https://patchblox.com/security/data/fix/linux/rhsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.9+esm2 | [libxml2 2.9.4+dfsg1-6.1ubuntu1.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxml2-2.9.4-dfsg1-6.1ubuntu1.9-esm2.md) | Feb 18, 2025 | | Linux | libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.9 | [libxml2 2.9.10+dfsg-5ubuntu0.20.04.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-2.9.10-dfsg-5ubuntu0.20.04.9.md) | Feb 18, 2025 | | Linux | libxml2 Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.6 | [libxml2 2.9.13+dfsg-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxml2-2.9.13-dfsg-1ubuntu0.6.md) | Feb 18, 2025 | | Linux | libxml2 Ubuntu 24.04.5 LTS (noble) | 2.9.14+dfsg-1.3ubuntu3.2 | [libxml2 2.9.14+dfsg-1.3ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libxml2-2.9.14-dfsg-1.3ubuntu3.2.md) | Feb 18, 2025 | | Linux | libxml2 Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.2 | [libxml2 2.12.7+dfsg-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxml2-2.12.7-dfsg-3ubuntu0.2.md) | Jan 16, 2026 | | Linux | libxml2 Ubuntu 25.04 (plucky) | 2.12.7+dfsg+really2.9.14-0.2ubuntu4 | [libxml2 2.12.7+dfsg+really2.9.14-0.2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libxml2-2.12.7-dfsg-really2.9.14-0.2ubuntu4.md) | Jan 16, 2026 | | Linux | libxml2 almalinux 8 | 2.9.7-19.el8_10 | [ALSA-2025:2686](https://patchblox.com/security/data/fix/linux/alsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2 almalinux 9 | 2.9.13-6.el9_5.2 | [ALSA-2025:2679](https://patchblox.com/security/data/fix/linux/alsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2 amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | libxml2 ol 8 | 0:2.9.7-19.el8_10 | [ELSA-2025-2686](https://patchblox.com/security/data/fix/linux/elsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2 ol 9 | 0:2.9.13-6.el9_5.2 | [ELSA-2025-2679](https://patchblox.com/security/data/fix/linux/elsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2 opensuse-leap 15.6 | 2.10.3-150500.5.23.1 | [SUSE-SU-2025:0746-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0746-1.md) | Feb 28, 2025 | | Linux | libxml2 rocky 8 | 0:2.9.7-19.el8_10 | [RLSA-2025:2686](https://patchblox.com/security/data/fix/linux/rlsa-2025-2686.md) | May 7, 2025 | | Linux | libxml2 rocky 9 | 0:2.9.13-6.el9_5.2 | [RLSA-2025:2679](https://patchblox.com/security/data/fix/linux/rlsa-2025-2679.md) | Jul 29, 2025 | | Linux | libxml2 sles 15.6 | 2.10.3-150500.5.23.1 | [SUSE-SU-2025:0746-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0746-1.md) | Feb 28, 2025 | | Linux | libxml2-debuginfo amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | libxml2-debugsource amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | libxml2-devel RHEL 8 | 0:2.9.7-19.el8_10 | [RHSA-2025:2686](https://patchblox.com/security/data/fix/linux/rhsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2-devel RHEL 9 | 0:2.9.13-6.el9_5.2 | [RHSA-2025:2679](https://patchblox.com/security/data/fix/linux/rhsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2-devel almalinux 8 | 2.9.7-19.el8_10 | [ALSA-2025:2686](https://patchblox.com/security/data/fix/linux/alsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2-devel almalinux 9 | 2.9.13-6.el9_5.2 | [ALSA-2025:2679](https://patchblox.com/security/data/fix/linux/alsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2-devel amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | libxml2-devel ol 8 | 0:2.9.7-19.el8_10 | [ELSA-2025-2686](https://patchblox.com/security/data/fix/linux/elsa-2025-2686.md) | Mar 12, 2025 | | Linux | libxml2-devel ol 9 | 0:2.9.13-6.el9_5.2 | [ELSA-2025-2679](https://patchblox.com/security/data/fix/linux/elsa-2025-2679.md) | Mar 12, 2025 | | Linux | libxml2-python opensuse-leap 15.6 | 2.10.3-150500.5.23.1 | [SUSE-SU-2025:0746-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0746-1.md) | Feb 28, 2025 | | Linux | libxml2-python sles 15.6 | 2.10.3-150500.5.23.1 | [SUSE-SU-2025:0746-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0746-1.md) | Feb 28, 2025 | | Linux | libxml2-static amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | libxml2-utils Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.9+esm2 | [libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxml2-utils-2.9.4-dfsg1-6.1ubuntu1.9-esm2.md) | Feb 18, 2025 | | Linux | libxml2-utils Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.9 | [libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-utils-2.9.10-dfsg-5ubuntu0.20.04.9.md) | Feb 18, 2025 | | Linux | libxml2-utils Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.6 | [libxml2-utils 2.9.13+dfsg-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxml2-utils-2.9.13-dfsg-1ubuntu0.6.md) | Feb 18, 2025 | | Linux | libxml2-utils Ubuntu 24.04.5 LTS (noble) | 2.9.14+dfsg-1.3ubuntu3.2 | [libxml2-utils 2.9.14+dfsg-1.3ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libxml2-utils-2.9.14-dfsg-1.3ubuntu3.2.md) | Feb 18, 2025 | | Linux | libxml2-utils Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.2 | [libxml2-utils 2.12.7+dfsg-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxml2-utils-2.12.7-dfsg-3ubuntu0.2.md) | Jan 16, 2026 | | Linux | libxml2-utils Ubuntu 25.04 (plucky) | 2.12.7+dfsg+really2.9.14-0.2ubuntu4 | [libxml2-utils 2.12.7+dfsg+really2.9.14-0.2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libxml2-utils-2.12.7-dfsg-really2.9.14-0.2ubuntu4.md) | Jan 16, 2026 | | Linux | python-libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.9+esm2 | [python-libxml2 2.9.4+dfsg1-6.1ubuntu1.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libxml2-2.9.4-dfsg1-6.1ubuntu1.9-esm2.md) | Feb 18, 2025 | | Linux | python-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.9 | [python-libxml2 2.9.10+dfsg-5ubuntu0.20.04.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-libxml2-2.9.10-dfsg-5ubuntu0.20.04.9.md) | Feb 18, 2025 | | Linux | python-libxml2-python opensuse-leap 15.6 | 2.9.7-150000.3.76.1 | [SUSE-SU-2025:0976-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-0976-1.md) | Mar 21, 2025 | | Linux | python3-libxml2 RHEL 8 | 0:2.9.7-19.el8_10 | [RHSA-2025:2686](https://patchblox.com/security/data/fix/linux/rhsa-2025-2686.md) | Mar 12, 2025 | | Linux | python3-libxml2 RHEL 9 | 0:2.9.13-6.el9_5.2 | [RHSA-2025:2679](https://patchblox.com/security/data/fix/linux/rhsa-2025-2679.md) | Mar 12, 2025 | | Linux | python3-libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.9+esm2 | [python3-libxml2 2.9.4+dfsg1-6.1ubuntu1.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-libxml2-2.9.4-dfsg1-6.1ubuntu1.9-esm2.md) | Feb 18, 2025 | | Linux | python3-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.9 | [python3-libxml2 2.9.10+dfsg-5ubuntu0.20.04.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-libxml2-2.9.10-dfsg-5ubuntu0.20.04.9.md) | Feb 18, 2025 | | Linux | python3-libxml2 Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.6 | [python3-libxml2 2.9.13+dfsg-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-libxml2-2.9.13-dfsg-1ubuntu0.6.md) | Feb 18, 2025 | | Linux | python3-libxml2 Ubuntu 24.04.5 LTS (noble) | 2.9.14+dfsg-1.3ubuntu3.2 | [python3-libxml2 2.9.14+dfsg-1.3ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-libxml2-2.9.14-dfsg-1.3ubuntu3.2.md) | Feb 18, 2025 | | Linux | python3-libxml2 Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.2 | [python3-libxml2 2.12.7+dfsg-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-libxml2-2.12.7-dfsg-3ubuntu0.2.md) | Jan 16, 2026 | | Linux | python3-libxml2 Ubuntu 25.04 (plucky) | 2.12.7+dfsg+really2.9.14-0.2ubuntu4 | [python3-libxml2 2.12.7+dfsg+really2.9.14-0.2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-python3-libxml2-2.12.7-dfsg-really2.9.14-0.2ubuntu4.md) | Jan 16, 2026 | | Linux | python3-libxml2 almalinux 8 | 2.9.7-19.el8_10 | [ALSA-2025:2686](https://patchblox.com/security/data/fix/linux/alsa-2025-2686.md) | Mar 12, 2025 | | Linux | python3-libxml2 almalinux 9 | 2.9.13-6.el9_5.2 | [ALSA-2025:2679](https://patchblox.com/security/data/fix/linux/alsa-2025-2679.md) | Mar 12, 2025 | | Linux | python3-libxml2 amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | | Linux | python3-libxml2 ol 8 | 0:2.9.7-19.el8_10 | [ELSA-2025-2686](https://patchblox.com/security/data/fix/linux/elsa-2025-2686.md) | Mar 12, 2025 | | Linux | python3-libxml2 ol 9 | 0:2.9.13-6.el9_5.2 | [ELSA-2025-2679](https://patchblox.com/security/data/fix/linux/elsa-2025-2679.md) | Mar 12, 2025 | | Linux | python3-libxml2-debuginfo amzn 2023 | 2.10.4-1.amzn2023.0.9 | [ALAS2023-2025-896](https://patchblox.com/security/data/fix/linux/alas2023-2025-896.md) | Mar 13, 2025 | --- Data as of 2026-11-08T06:59:42Z UTC. 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