# CVE-2022-2309: python3-lxml: lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API

CVE-2022-2309 is fixed in 9 products on 1 platform, first by DEBIAN-CVE-2022-2309, released July 5, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-2309
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0245
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jul 5, 2022

## Description

lxml is an XML processing library providing access to libxml2 and libxslt libraries using the Python ElementTree API.   Security Fix(es):  * lxml: NULL Pointer Dereference in lxml (CVE-2022-2309)  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 9.1 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libxml2 Debian 12.15 (bookworm) | 2.9.14+dfsg-1.3~deb12u1 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | libxml2 Debian 13.5 (trixie) | 2.9.14+dfsg-1.3 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | libxml2 Debian 14 | 2.9.14+dfsg-1.3 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.5 | [libxml2 2.9.10+dfsg-5ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-2.9.10-dfsg-5ubuntu0.20.04.5.md) | Nov 23, 2022 |
| Linux | libxml2 Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.2 | [libxml2 2.9.13+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxml2-2.9.13-dfsg-1ubuntu0.2.md) | Nov 23, 2022 |
| Linux | libxml2-utils Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.5 | [libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxml2-utils-2.9.10-dfsg-5ubuntu0.20.04.5.md) | Nov 23, 2022 |
| Linux | libxml2-utils Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.2 | [libxml2-utils 2.9.13+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxml2-utils-2.9.13-dfsg-1ubuntu0.2.md) | Nov 23, 2022 |
| Linux | lxml Debian 12.15 (bookworm) | 4.9.1-1 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | lxml Debian 13.5 (trixie) | 4.9.1-1 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | lxml Debian 14 | 4.9.1-1 | [DEBIAN-CVE-2022-2309](https://patchblox.com/security/data/fix/linux/debian-cve-2022-2309.md) | Jul 5, 2022 |
| Linux | python-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.5 | [python-libxml2 2.9.10+dfsg-5ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-libxml2-2.9.10-dfsg-5ubuntu0.20.04.5.md) | Nov 23, 2022 |
| Linux | python-lxml rocky 9 | 0:4.6.5-3.el9 | [RLSA-2022:8226](https://patchblox.com/security/data/fix/linux/rlsa-2022-8226.md) | Nov 15, 2022 |
| Linux | python-lxml-debugsource amzn 2023 | 4.7.1-3.amzn2023.0.1 | [ALAS2023-2023-034](https://patchblox.com/security/data/fix/linux/alas2023-2023-034.md) | Feb 17, 2023 |
| Linux | python3-libxml2 Ubuntu 20.04 LTS (focal) | 2.9.10+dfsg-5ubuntu0.20.04.5 | [python3-libxml2 2.9.10+dfsg-5ubuntu0.20.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-libxml2-2.9.10-dfsg-5ubuntu0.20.04.5.md) | Nov 23, 2022 |
| Linux | python3-libxml2 Ubuntu 22.04.1 LTS (jammy) | 2.9.13+dfsg-1ubuntu0.2 | [python3-libxml2 2.9.13+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-libxml2-2.9.13-dfsg-1ubuntu0.2.md) | Nov 23, 2022 |
| Linux | python3-lxml RHEL 9 | 0:4.6.5-3.el9 | [RHSA-2022:8226](https://patchblox.com/security/data/fix/linux/rhsa-2022-8226.md) | Nov 15, 2022 |
| Linux | python3-lxml almalinux 9 | 4.6.5-3.el9 | [ALSA-2022:8226](https://patchblox.com/security/data/fix/linux/alsa-2022-8226.md) | Nov 15, 2022 |
| Linux | python3-lxml amzn 2023 | 4.7.1-3.amzn2023.0.1 | [ALAS2023-2023-034](https://patchblox.com/security/data/fix/linux/alas2023-2023-034.md) | Feb 17, 2023 |
| Linux | python3-lxml ol 9 | 0:4.6.5-3.el9 | [ELSA-2022-8226](https://patchblox.com/security/data/fix/linux/elsa-2022-8226.md) | Nov 22, 2022 |
| Linux | python3-lxml-debuginfo amzn 2023 | 4.7.1-3.amzn2023.0.1 | [ALAS2023-2023-034](https://patchblox.com/security/data/fix/linux/alas2023-2023-034.md) | Feb 17, 2023 |

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