# libexpat1 security updates

Patch Radar has 62 security fixes for libexpat1, closing 55 CVEs. The newest security fix is libexpat1 2.2.5-3ubuntu0.9+esm5, released August 20, 2026.

- Web page: https://patchblox.com/security/product/linux/libexpat1
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libexpat1 2.2.5-3ubuntu0.9+esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.9-esm5.md) | Aug 20, 2026 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.9+esm5 | High | 11 | 0 |
| [libexpat1 2.2.9-1ubuntu0.8+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.8-esm3.md) | Aug 20, 2026 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.8+esm3 | High | 11 | 0 |
| [libexpat1 2.4.7-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.9.md) | Aug 20, 2026 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.9 | High | 11 | 0 |
| [libexpat1 2.6.1-2ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.6.md) | Aug 20, 2026 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.6 | High | 11 | 0 |
| [libexpat1 2.7.4-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libexpat1-2.7.4-1ubuntu0.2.md) | Aug 20, 2026 | Ubuntu 26.04.1 LTS (resolute) 2.7.4-1ubuntu0.2 | High | 11 | 0 |
| [libexpat1 2.6.1-2ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.5.md) | Jun 21, 2026 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.5 | High | 12 | 0 |
| [libexpat1 2.7.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libexpat1-2.7.4-1ubuntu0.1.md) | Jun 21, 2026 | Ubuntu 26.04.1 LTS (resolute) 2.7.4-1ubuntu0.1 | High | 11 | 0 |
| [libexpat1 2.2.5-3ubuntu0.9+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.9-esm4.md) | Jun 21, 2026 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.9+esm4 | Routine | 9 | 0 |
| [libexpat1 2.2.9-1ubuntu0.8+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.8-esm2.md) | Jun 21, 2026 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.8+esm2 | Routine | 9 | 0 |
| [libexpat1 2.4.7-1ubuntu0.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.8.md) | Jun 21, 2026 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.8 | Routine | 9 | 0 |
| [libexpat1 2.7.1-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libexpat1-2.7.1-2ubuntu0.2.md) | Jan 29, 2026 | Ubuntu 25.10 (questing) 2.7.1-2ubuntu0.2 | High | 3 | 0 |
| [libexpat1 2.2.5-3ubuntu0.9+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.9-esm3.md) | Jan 29, 2026 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.9+esm3 | High | 2 | 0 |
| [libexpat1 2.2.9-1ubuntu0.8+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.8-esm1.md) | Jan 29, 2026 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.8+esm1 | High | 2 | 0 |
| [libexpat1 2.4.7-1ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.7.md) | Jan 29, 2026 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.7 | High | 2 | 0 |
| [libexpat1 2.6.1-2ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.4.md) | Jan 29, 2026 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.4 | High | 2 | 0 |
| [libexpat1 2.1.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.1.1-1ubuntu1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.1.1-1ubuntu1 | High | 1 | 0 |
| [libexpat1 2.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.4.3-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.4.3-1 | High | 8 | 0 |
| [libexpat1 2.4.3-2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.4.3-2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.4.3-2 | High | 1 | 0 |
| [libexpat1 2.4.3-3](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.4.3-3.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.4.3-3 | High | 1 | 0 |
| [libexpat1 2.5.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.5.0-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.5.0-1 | High | 2 | 0 |
| [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.6.0-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.6.0-1 | High | 2 | 0 |
| [libexpat1 2.7.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.7.1-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2.7.1-1 | High | 1 | 0 |
| [libexpat1 2.4.3-2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.4.3-2.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.4.3-2 | High | 1 | 0 |
| [libexpat1 2.4.3-3](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.4.3-3.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.4.3-3 | High | 1 | 0 |
| [libexpat1 2.5.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.5.0-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.5.0-1 | High | 2 | 0 |
| [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.6.0-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.6.0-1 | High | 2 | 0 |
| [libexpat1 2.6.2-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.6.2-2ubuntu0.2.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.6.2-2ubuntu0.2 | High | 1 | 0 |
| [libexpat1 2.6.2-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.6.2-2ubuntu0.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.6.2-2ubuntu0.1 | Routine | 1 | 0 |
| [libexpat1 2.1.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.1.1-1ubuntu1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.1.1-1ubuntu1 | High | 1 | 0 |
| [libexpat1 2.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.4.3-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2.4.3-1 | High | 8 | 0 |
| [libexpat1 2.4.7-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.6.md) | Mar 14, 2025 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.6 | High | 1 | 0 |
| [libexpat1 2.6.1-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.3.md) | Mar 14, 2025 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.3 | High | 1 | 0 |
| [libexpat1 2.7.1-1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libexpat1-2.7.1-1.md) | Mar 14, 2025 | Ubuntu 25.10 (questing) 2.7.1-1 | High | 1 | 0 |
| [libexpat1 2.2.5-3ubuntu0.9+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.9-esm2.md) | Oct 26, 2024 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.9+esm2 | Routine | 1 | 0 |
| [libexpat1 2.2.9-1ubuntu0.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.8.md) | Oct 26, 2024 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.8 | Routine | 1 | 0 |
| [libexpat1 2.4.7-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.5.md) | Oct 26, 2024 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.5 | Routine | 1 | 0 |
| [libexpat1 2.6.1-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.2.md) | Oct 26, 2024 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.2 | Routine | 1 | 0 |
| [libexpat1 2.2.5-3ubuntu0.9+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.9-esm1.md) | Aug 29, 2024 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.9+esm1 | Urgent | 3 | 0 |
| [libexpat1 2.2.9-1ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.7.md) | Aug 29, 2024 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.7 | Urgent | 3 | 0 |
| [libexpat1 2.4.7-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.4.md) | Aug 29, 2024 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.4 | Urgent | 3 | 0 |
| [libexpat1 2.6.1-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.1-2ubuntu0.1.md) | Aug 29, 2024 | Ubuntu 24.04.5 LTS (noble) 2.6.1-2ubuntu0.1 | Urgent | 3 | 0 |
| [libexpat1 2.4.7-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.3.md) | Mar 9, 2024 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.3 | High | 2 | 0 |
| [libexpat1 2.6.0-1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libexpat1-2.6.0-1.md) | Feb 4, 2024 | Ubuntu 24.04.5 LTS (noble) 2.6.0-1 | High | 2 | 0 |
| [libexpat1 2.2.5-3ubuntu0.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.8.md) | Oct 24, 2022 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.8 | High | 2 | 0 |
| [libexpat1 2.2.9-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.6.md) | Oct 24, 2022 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.6 | High | 1 | 0 |
| [libexpat1 2.4.7-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.2.md) | Oct 24, 2022 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.2 | High | 1 | 0 |
| [libexpat1 2.2.9-1ubuntu0.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.5.md) | Sep 14, 2022 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.5 | High | 1 | 0 |
| [libexpat1 2.4.7-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.7-1ubuntu0.1.md) | Sep 14, 2022 | Ubuntu 22.04.1 LTS (jammy) 2.4.7-1ubuntu0.1 | High | 1 | 0 |
| [libexpat1 2.2.5-3ubuntu0.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.7.md) | Feb 17, 2022 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.7 | High | 3 | 0 |
| [libexpat1 2.2.9-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.4.md) | Feb 17, 2022 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.4 | High | 3 | 0 |
| [libexpat1 2.4.5-2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.4.5-2.md) | Feb 15, 2022 | Ubuntu 24.10 (oracular) 2.4.5-2 | High | 5 | 0 |
| [libexpat1 2.4.5-2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.4.5-2.md) | Feb 15, 2022 | Ubuntu 25.04 (plucky) 2.4.5-2 | High | 5 | 0 |
| [libexpat1 2.2.5-3ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.4.md) | Feb 14, 2022 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.4 | High | 12 | 0 |
| [libexpat1 2.2.9-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libexpat1-2.2.9-1ubuntu0.2.md) | Feb 14, 2022 | Ubuntu 20.04 LTS (focal) 2.2.9-1ubuntu0.2 | High | 12 | 0 |
| [libexpat1 2.4.3-2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.3-2.md) | Jan 23, 2022 | Ubuntu 22.04.1 LTS (jammy) 2.4.3-2 | High | 1 | 0 |
| [libexpat1 2.4.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libexpat1-2.4.3-1.md) | Jan 10, 2022 | Ubuntu 22.04.1 LTS (jammy) 2.4.3-1 | High | 8 | 0 |
| [libexpat1 2.2.5-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.2.md) | Sep 3, 2019 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.2 | High | 1 | 0 |
| [libexpat1 2.2.6-2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.2.6-2.md) | Jun 24, 2019 | Ubuntu 24.10 (oracular) 2.2.6-2 | High | 1 | 0 |
| [libexpat1 2.2.6-2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.2.6-2.md) | Jun 24, 2019 | Ubuntu 25.04 (plucky) 2.2.6-2 | High | 1 | 0 |
| [libexpat1 2.2.5-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libexpat1-2.2.5-3ubuntu0.1.md) | Jun 23, 2019 | Ubuntu 18.04.6 LTS (bionic) 2.2.5-3ubuntu0.1 | High | 1 | 0 |
| [libexpat1 2.0.1-7ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libexpat1-2.0.1-7ubuntu1.md) | Dec 4, 2009 | Ubuntu 24.10 (oracular) 2.0.1-7ubuntu1 | Routine | 2 | 0 |
| [libexpat1 2.0.1-7ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libexpat1-2.0.1-7ubuntu1.md) | Dec 4, 2009 | Ubuntu 25.04 (plucky) 2.0.1-7ubuntu1 | Routine | 2 | 0 |

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Data as of 2026-11-07T12:40:37Z 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

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