# libx11-data security updates

Patch Radar has 19 security fixes for libx11-data, closing 14 CVEs. The newest security fix is libx11-data 2:1.8.7-1ubuntu0.1, released October 13, 2026.

- Web page: https://patchblox.com/security/product/linux/libx11-data
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libx11-data 2:1.8.7-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libx11-data-2-1.8.7-1ubuntu0.1.md) | Oct 13, 2026 | Ubuntu 24.04.5 LTS (noble) 2:1.8.7-1ubuntu0.1 | High | 4 | 0 |
| [libx11-data 2:1.7.5-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libx11-data-2-1.7.5-1ubuntu0.4.md) | Oct 13, 2026 | Ubuntu 22.04.1 LTS (jammy) 2:1.7.5-1ubuntu0.4 | High | 4 | 0 |
| [libx11-data 2:1.6.9-2ubuntu1.6+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.6-esm1.md) | Oct 13, 2026 | Ubuntu 20.04 LTS (focal) 2:1.6.9-2ubuntu1.6+esm1 | High | 4 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.4+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4-esm3.md) | Oct 13, 2026 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.4+esm3 | High | 4 | 0 |
| [libx11-data 2:1.8.13-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libx11-data-2-1.8.13-1ubuntu0.1.md) | Sep 28, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:1.8.13-1ubuntu0.1 | High | 4 | 0 |
| [libx11-data 2:1.8.6-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libx11-data-2-1.8.6-1ubuntu1.md) | Oct 3, 2023 | Ubuntu 24.10 (oracular) 2:1.8.6-1ubuntu1 | High | 2 | 0 |
| [libx11-data 2:1.8.6-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libx11-data-2-1.8.6-1ubuntu1.md) | Oct 3, 2023 | Ubuntu 25.04 (plucky) 2:1.8.6-1ubuntu1 | High | 2 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.4+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4-esm2.md) | Oct 2, 2023 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.4+esm2 | High | 3 | 0 |
| [libx11-data 2:1.6.9-2ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.6.md) | Oct 2, 2023 | Ubuntu 20.04 LTS (focal) 2:1.6.9-2ubuntu1.6 | High | 3 | 0 |
| [libx11-data 2:1.7.5-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libx11-data-2-1.7.5-1ubuntu0.3.md) | Oct 2, 2023 | Ubuntu 22.04.1 LTS (jammy) 2:1.7.5-1ubuntu0.3 | High | 3 | 0 |
| [libx11-data 2:1.8.6-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libx11-data-2-1.8.6-1ubuntu1.md) | Oct 2, 2023 | Ubuntu 24.04.5 LTS (noble) 2:1.8.6-1ubuntu1 | High | 2 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.4+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4-esm1.md) | Jun 14, 2023 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.4+esm1 | High | 1 | 0 |
| [libx11-data 2:1.6.9-2ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.5.md) | Jun 14, 2023 | Ubuntu 20.04 LTS (focal) 2:1.6.9-2ubuntu1.5 | High | 1 | 0 |
| [libx11-data 2:1.7.5-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libx11-data-2-1.7.5-1ubuntu0.2.md) | Jun 14, 2023 | Ubuntu 22.04.1 LTS (jammy) 2:1.7.5-1ubuntu0.2 | High | 1 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4.md) | May 17, 2021 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.4 | High | 1 | 0 |
| [libx11-data 2:1.6.9-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.2.md) | May 17, 2021 | Ubuntu 20.04 LTS (focal) 2:1.6.9-2ubuntu1.2 | High | 1 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.3.md) | Aug 25, 2020 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.3 | High | 2 | 0 |
| [libx11-data 2:1.6.9-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.1.md) | Aug 25, 2020 | Ubuntu 20.04 LTS (focal) 2:1.6.9-2ubuntu1.1 | High | 2 | 0 |
| [libx11-data 2:1.6.4-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.1.md) | Aug 23, 2018 | Ubuntu 18.04.6 LTS (bionic) 2:1.6.4-3ubuntu0.1 | Routine | 3 | 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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