# libxtst6 security updates

Patch Radar has 9 security fixes for libxtst6, closing 2 CVEs. The newest security fix is libxtst6 2:1.2.3-1.1ubuntu0.1, released October 21, 2026.

- Web page: https://patchblox.com/security/product/linux/libxtst6
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libxtst6 2:1.2.3-1.1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libxtst6-2-1.2.3-1.1ubuntu0.1.md) | Oct 21, 2026 | Ubuntu 24.04.5 LTS (noble) 2:1.2.3-1.1ubuntu0.1 | High | 1 | 0 |
| [libxtst6 2:1.2.3-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libxtst6-2-1.2.3-1ubuntu0.22.04.1.md) | Oct 21, 2026 | Ubuntu 22.04.1 LTS (jammy) 2:1.2.3-1ubuntu0.22.04.1 | High | 1 | 0 |
| [libxtst6 2:1.2.3-1ubuntu0.20.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxtst6-2-1.2.3-1ubuntu0.20.04.1-esm1.md) | Oct 21, 2026 | Ubuntu 20.04 LTS (focal) 2:1.2.3-1ubuntu0.20.04.1~esm1 | High | 1 | 0 |
| [libxtst6 2:1.2.3-1ubuntu0.18.04.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxtst6-2-1.2.3-1ubuntu0.18.04.1-esm1.md) | Oct 21, 2026 | Ubuntu 18.04.6 LTS (bionic) 2:1.2.3-1ubuntu0.18.04.1~esm1 | High | 1 | 0 |
| [libxtst6 2:1.2.5-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libxtst6-2-1.2.5-1ubuntu0.1.md) | Sep 28, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:1.2.5-1ubuntu0.1 | High | 1 | 0 |
| [libxtst6 2:1.2.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libxtst6-2-1.2.3-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2:1.2.3-1 | Routine | 1 | 0 |
| [libxtst6 2:1.2.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libxtst6-2-1.2.3-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 2:1.2.3-1 | Routine | 1 | 0 |
| [libxtst6 2:1.2.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libxtst6-2-1.2.3-1.md) | Dec 13, 2016 | Ubuntu 18.04.6 LTS (bionic) 2:1.2.3-1 | Routine | 1 | 0 |
| [libxtst6 2:1.2.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libxtst6-2-1.2.3-1.md) | Dec 13, 2016 | Ubuntu 20.04 LTS (focal) 2:1.2.3-1 | Routine | 1 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.