# python3-lxml security updates

Patch Radar has 18 security fixes for python3-lxml, closing 7 CVEs. The newest is RHSA-2026:67943 (0:4.2.3-5.el8_10), released September 19, 2026.

- Web page: https://patchblox.com/security/product/linux/python3-lxml
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [RHSA-2026:67943](https://patchblox.com/security/data/fix/linux/rhsa-2026-67943.md) | Sep 19, 2026 | RHEL 8 0:4.2.3-5.el8_10 | High | 1 | 0 |
| [RHSA-2026:66204](https://patchblox.com/security/data/fix/linux/rhsa-2026-66204.md) | Sep 13, 2026 | RHEL 9 0:4.6.5-3.el9_8.1 | High | 1 | 0 |
| [python3-lxml 4.2.1-1ubuntu0.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lxml-4.2.1-1ubuntu0.6-esm1.md) | Aug 20, 2026 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.6+esm1 | High | 2 | 0 |
| [python3-lxml 4.5.0-1ubuntu0.5+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-lxml-4.5.0-1ubuntu0.5-esm1.md) | Aug 20, 2026 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.5+esm1 | High | 2 | 0 |
| [python3-lxml 4.8.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-lxml-4.8.0-1ubuntu0.1.md) | Aug 20, 2026 | Ubuntu 22.04.1 LTS (jammy) 4.8.0-1ubuntu0.1 | High | 2 | 0 |
| [python3-lxml 5.2.1-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-lxml-5.2.1-1ubuntu0.2.md) | Aug 20, 2026 | Ubuntu 24.04.5 LTS (noble) 5.2.1-1ubuntu0.2 | High | 2 | 0 |
| [RHSA-2022:8226](https://patchblox.com/security/data/fix/linux/rhsa-2022-8226.md) | Nov 15, 2022 | RHEL 9 0:4.6.5-3.el9 | High | 1 | 0 |
| [RHSA-2022:1932](https://patchblox.com/security/data/fix/linux/rhsa-2022-1932.md) | May 10, 2022 | RHEL 8 0:4.2.3-4.el8 | High | 1 | 0 |
| [python3-lxml 4.2.1-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lxml-4.2.1-1ubuntu0.6.md) | Dec 13, 2021 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.6 | High | 1 | 0 |
| [python3-lxml 4.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-lxml-4.5.0-1ubuntu0.5.md) | Dec 13, 2021 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.5 | High | 1 | 0 |
| [python3-lxml 4.7.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-lxml-4.7.1-1.md) | Dec 13, 2021 | Ubuntu 22.04.1 LTS (jammy) 4.7.1-1 | High | 1 | 0 |
| [RHSA-2021:4158](https://patchblox.com/security/data/fix/linux/rhsa-2021-4158.md) | Nov 9, 2021 | RHEL 8 0:4.2.3-3.el8 | Routine | 1 | 0 |
| [RHSA-2021:1898](https://patchblox.com/security/data/fix/linux/rhsa-2021-1898.md) | May 18, 2021 | RHEL 8 0:4.2.3-2.el8 | Routine | 1 | 0 |
| [python3-lxml 4.2.1-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lxml-4.2.1-1ubuntu0.4.md) | Mar 20, 2021 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.4 | Routine | 1 | 0 |
| [python3-lxml 4.5.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-lxml-4.5.0-1ubuntu0.3.md) | Mar 20, 2021 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.3 | Routine | 1 | 0 |
| [python3-lxml 4.2.1-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lxml-4.2.1-1ubuntu0.3.md) | Dec 3, 2020 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.3 | Routine | 1 | 0 |
| [python3-lxml 4.5.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-lxml-4.5.0-1ubuntu0.2.md) | Dec 3, 2020 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.2 | Routine | 1 | 0 |
| [python3-lxml 4.2.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-lxml-4.2.1-1ubuntu0.1.md) | Dec 1, 2018 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.1 | Routine | 1 | 0 |

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Data as of 2026-11-07T00:32:44Z 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