# CVE-2016-3709: libxml2: The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es)...

CVE-2016-3709 is fixed in 5 products on 1 platform, first by libxml2 2.9.4+dfsg1-6.1ubuntu1.7, released July 28, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2016-3709
- Priority: Routine
- CVSS: 6.1 (Moderate)
- EPSS: 0.0132
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 28, 2022

## Description

The libxml2 library is a development toolbox providing the implementation of various XML standards.  Security Fix(es):  * libxml2: Incorrect server side include parsing can lead to XSS (CVE-2016-3709)  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.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libxml2 Debian 11.6 (bullseye) | 2.9.10+dfsg-6.7+deb11u5 | [DLA-3878-1](https://patchblox.com/security/data/fix/linux/dla-3878-1.md) | Sep 5, 2024 |
| Linux | libxml2 Debian 12.15 (bookworm) | 2.9.12+dfsg-3 | [DEBIAN-CVE-2016-3709](https://patchblox.com/security/data/fix/linux/debian-cve-2016-3709.md) | Jul 28, 2022 |
| Linux | libxml2 Debian 13.5 (trixie) | 2.9.12+dfsg-3 | [DEBIAN-CVE-2016-3709](https://patchblox.com/security/data/fix/linux/debian-cve-2016-3709.md) | Jul 28, 2022 |
| Linux | libxml2 Debian 14 | 2.9.12+dfsg-3 | [DEBIAN-CVE-2016-3709](https://patchblox.com/security/data/fix/linux/debian-cve-2016-3709.md) | Jul 28, 2022 |
| Linux | libxml2 RHEL 8 | 0:2.9.7-15.el8 | [RHSA-2022:7715](https://patchblox.com/security/data/fix/linux/rhsa-2022-7715.md) | Nov 8, 2022 |
| Linux | libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.7 | [libxml2 2.9.4+dfsg1-6.1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxml2-2.9.4-dfsg1-6.1ubuntu1.7.md) | Jul 28, 2022 |
| Linux | libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.4 | [libxml2 2.9.10+dfsg-5ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-2.9.10-dfsg-5ubuntu0.20.04.4.md) | Jul 28, 2022 |
| Linux | libxml2 almalinux 8 | 2.9.7-15.el8 | [ALSA-2022:7715](https://patchblox.com/security/data/fix/linux/alsa-2022-7715.md) | Nov 8, 2022 |
| Linux | libxml2 ol 8 | 0:2.9.7-15.el8 | [ELSA-2022-7715](https://patchblox.com/security/data/fix/linux/elsa-2022-7715.md) | Nov 15, 2022 |
| Linux | libxml2 rocky 8 | 0:2.9.7-15.el8 | [RLSA-2022:7715](https://patchblox.com/security/data/fix/linux/rlsa-2022-7715.md) | Nov 8, 2022 |
| Linux | libxml2-devel RHEL 8 | 0:2.9.7-15.el8 | [RHSA-2022:7715](https://patchblox.com/security/data/fix/linux/rhsa-2022-7715.md) | Nov 8, 2022 |
| Linux | libxml2-devel almalinux 8 | 2.9.7-15.el8 | [ALSA-2022:7715](https://patchblox.com/security/data/fix/linux/alsa-2022-7715.md) | Nov 8, 2022 |
| Linux | libxml2-devel ol 8 | 0:2.9.7-15.el8 | [ELSA-2022-7715](https://patchblox.com/security/data/fix/linux/elsa-2022-7715.md) | Nov 15, 2022 |
| Linux | libxml2-utils Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.7 | [libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxml2-utils-2.9.4-dfsg1-6.1ubuntu1.7.md) | Jul 28, 2022 |
| Linux | libxml2-utils Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.4 | [libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-utils-2.9.10-dfsg-5ubuntu0.20.04.4.md) | Jul 28, 2022 |
| Linux | python-libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.7 | [python-libxml2 2.9.4+dfsg1-6.1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-libxml2-2.9.4-dfsg1-6.1ubuntu1.7.md) | Jul 28, 2022 |
| Linux | python-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.4 | [python-libxml2 2.9.10+dfsg-5ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-libxml2-2.9.10-dfsg-5ubuntu0.20.04.4.md) | Jul 28, 2022 |
| Linux | python3-libxml2 RHEL 8 | 0:2.9.7-15.el8 | [RHSA-2022:7715](https://patchblox.com/security/data/fix/linux/rhsa-2022-7715.md) | Nov 8, 2022 |
| Linux | python3-libxml2 Ubuntu 18.04.6 LTS (bionic) | 2.9.4+dfsg1-6.1ubuntu1.7 | [python3-libxml2 2.9.4+dfsg1-6.1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-libxml2-2.9.4-dfsg1-6.1ubuntu1.7.md) | Jul 28, 2022 |
| Linux | python3-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.4 | [python3-libxml2 2.9.10+dfsg-5ubuntu0.20.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-libxml2-2.9.10-dfsg-5ubuntu0.20.04.4.md) | Jul 28, 2022 |
| Linux | python3-libxml2 almalinux 8 | 2.9.7-15.el8 | [ALSA-2022:7715](https://patchblox.com/security/data/fix/linux/alsa-2022-7715.md) | Nov 8, 2022 |
| Linux | python3-libxml2 ol 8 | 0:2.9.7-15.el8 | [ELSA-2022-7715](https://patchblox.com/security/data/fix/linux/elsa-2022-7715.md) | Nov 15, 2022 |

---

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
