# CVE-2024-40896: libxml2: In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3,the SAX parser can produce events for exter...

CVE-2024-40896 is fixed in 7 products on 1 platform, first by OPENSUSE-SU-2025:0024-1, released January 23, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-40896
- Priority: High
- CVSS: 9.1 (Medium)
- EPSS: 0.0122
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 23, 2024

## Description

In libxml2 2.11 before 2.11.9, 2.12 before 2.12.9, and 2.13 before 2.13.3,the SAX parser can produce events for external entities even if custom SAXhandlers try to override entity content (by setting "checked"). This makesclassic XXE attacks possible.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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 Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.1 | [libxml2 2.12.7+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxml2-2.12.7-dfsg-3ubuntu0.1.md) | Jan 16, 2026 |
| Linux | libxml2 ol 10 | 0:2.12.5-5.el10_0 | [libxml2 0:2.12.5-5.el10_0](https://patchblox.com/security/data/fix/linux/ol-10-libxml2-0-2.12.5-5.el10-0.md) | Jun 9, 2025 |
| Linux | libxml2-devel ol 10 | 0:2.12.5-5.el10_0 | [libxml2-devel 0:2.12.5-5.el10_0](https://patchblox.com/security/data/fix/linux/ol-10-libxml2-devel-0-2.12.5-5.el10-0.md) | Jun 9, 2025 |
| Linux | libxml2-static ol 10 | 0:2.12.5-5.el10_0 | [libxml2-static 0:2.12.5-5.el10_0](https://patchblox.com/security/data/fix/linux/ol-10-libxml2-static-0-2.12.5-5.el10-0.md) | Jun 9, 2025 |
| Linux | libxml2-utils Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.1 | [libxml2-utils 2.12.7+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxml2-utils-2.12.7-dfsg-3ubuntu0.1.md) | Jan 16, 2026 |
| Linux | python3-libxml2 Ubuntu 24.10 (oracular) | 2.12.7+dfsg-3ubuntu0.1 | [python3-libxml2 2.12.7+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-python3-libxml2-2.12.7-dfsg-3ubuntu0.1.md) | Jan 16, 2026 |
| Linux | python3-libxml2 ol 10 | 0:2.12.5-5.el10_0 | [python3-libxml2 0:2.12.5-5.el10_0](https://patchblox.com/security/data/fix/linux/ol-10-python3-libxml2-0-2.12.5-5.el10-0.md) | Jun 9, 2025 |
| Linux | qt6-webengine opensuse-leap 15.6 | 6.6.3-bp156.2.3.1 | [OPENSUSE-SU-2025:0024-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-0024-1.md) | Jan 23, 2025 |
| Linux | qt6-webengine-docs opensuse-leap 15.6 | 6.6.3-bp156.2.3.1 | [OPENSUSE-SU-2025:0024-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-0024-1.md) | Jan 23, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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