# libx11 security updates

Patch Radar has 18 security fixes for libx11, closing 8 CVEs. The newest security fix is DEBIAN-CVE-2026-94283 (2:1.8.14-1), released September 28, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [DEBIAN-CVE-2026-94283](https://patchblox.com/security/data/fix/linux/debian-cve-2026-94283.md) | Sep 28, 2026 | Debian 14 2:1.8.14-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-94285](https://patchblox.com/security/data/fix/linux/debian-cve-2026-94285.md) | Sep 28, 2026 | Debian 14 2:1.8.14-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-94284](https://patchblox.com/security/data/fix/linux/debian-cve-2026-94284.md) | Sep 28, 2026 | Debian 14 2:1.8.14-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2026-88806](https://patchblox.com/security/data/fix/linux/debian-cve-2026-88806.md) | Sep 21, 2026 | Debian 14 2:1.8.14-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43787](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43787.md) | Oct 10, 2023 | Debian 12.15 (bookworm) 2:1.8.4-2+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43787](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43787.md) | Oct 10, 2023 | Debian 13.5 (trixie) 2:1.8.7-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43787](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43787.md) | Oct 10, 2023 | Debian 14 2:1.8.7-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43786](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43786.md) | Oct 10, 2023 | Debian 12.15 (bookworm) 2:1.8.4-2+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43786](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43786.md) | Oct 10, 2023 | Debian 13.5 (trixie) 2:1.8.7-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43786](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43786.md) | Oct 10, 2023 | Debian 14 2:1.8.7-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43785](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43785.md) | Oct 10, 2023 | Debian 14 2:1.8.7-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-43785](https://patchblox.com/security/data/fix/linux/debian-cve-2023-43785.md) | Oct 10, 2023 | Debian 13.5 (trixie) 2:1.8.7-1 | High | 1 | 0 |
| [DSA-5517-1](https://patchblox.com/security/data/fix/linux/dsa-5517-1.md) | Oct 5, 2023 | Debian 11.6 (bullseye) 2:1.7.2-1+deb11u2 | High | 1 | 0 |
| [DSA-5517-1](https://patchblox.com/security/data/fix/linux/dsa-5517-1.md) | Oct 5, 2023 | Debian 12.15 (bookworm) 2:1.8.4-2+deb12u2 | High | 1 | 0 |
| [DEBIAN-CVE-2023-3138](https://patchblox.com/security/data/fix/linux/debian-cve-2023-3138.md) | Jun 28, 2023 | Debian 13.5 (trixie) 2:1.8.6-1 | High | 1 | 0 |
| [DEBIAN-CVE-2023-3138](https://patchblox.com/security/data/fix/linux/debian-cve-2023-3138.md) | Jun 28, 2023 | Debian 14 2:1.8.6-1 | High | 1 | 0 |
| [DSA-5433-1](https://patchblox.com/security/data/fix/linux/dsa-5433-1.md) | Jun 21, 2023 | Debian 11.6 (bullseye) 2:1.7.2-1+deb11u1 | High | 1 | 0 |
| [DSA-5433-1](https://patchblox.com/security/data/fix/linux/dsa-5433-1.md) | Jun 21, 2023 | Debian 12.15 (bookworm) 2:1.8.4-2+deb12u1 | High | 1 | 0 |

---

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.