# python-lxml security updates

Patch Radar has 9 security fixes for python-lxml, closing 6 CVEs. The newest is python-lxml 4.2.1-1ubuntu0.6+esm1 (4.2.1-1ubuntu0.6+esm1), released August 20, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [python-lxml 4.2.1-1ubuntu0.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-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 |
| [python-lxml 4.5.0-1ubuntu0.5+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-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 |
| [python-lxml 4.2.1-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-lxml-4.2.1-1ubuntu0.6.md) | Dec 13, 2021 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.6 | High | 1 | 0 |
| [python-lxml 4.5.0-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-lxml-4.5.0-1ubuntu0.5.md) | Dec 13, 2021 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.5 | High | 1 | 0 |
| [python-lxml 4.2.1-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-lxml-4.2.1-1ubuntu0.4.md) | Mar 20, 2021 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.4 | Routine | 1 | 0 |
| [python-lxml 4.5.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-lxml-4.5.0-1ubuntu0.3.md) | Mar 20, 2021 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.3 | Routine | 1 | 0 |
| [python-lxml 4.2.1-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-lxml-4.2.1-1ubuntu0.3.md) | Dec 3, 2020 | Ubuntu 18.04.6 LTS (bionic) 4.2.1-1ubuntu0.3 | Routine | 1 | 0 |
| [python-lxml 4.5.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-lxml-4.5.0-1ubuntu0.2.md) | Dec 3, 2020 | Ubuntu 20.04 LTS (focal) 4.5.0-1ubuntu0.2 | Routine | 1 | 0 |
| [python-lxml 4.2.1-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo