# DLA-4064-1: libxml2 security update

DLA-4064-1, released February 22, 2025, fixes 1 CVE in libxml2 (version 2.9.10+dfsg-6.7+deb11u6). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4064-1
- Platform: Linux
- Released: Feb 22, 2025
- Priority: High (Closes CVE-2022-49043, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-49043

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libxml2](https://patchblox.com/security/data/product/linux/libxml2.md) | Debian 11.6 (bullseye) | 2.9.10+dfsg-6.7+deb11u6 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-49043](https://patchblox.com/security/data/cve/CVE-2022-49043.md) | High | libxml2: This update for libxml2 fixes the following issues:  - CVE-2022-49043: Fixed a use-after-free in xmlXIncludeAddNode | 8.1 | 0.0027 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo