Linux
xserver-xephyr security updates
Patch Radar has 86 security fixes for xserver-xephyr, closing 59 CVEs. The newest is xserver-xephyr 2:21.1.16-1ubuntu1 (2:21.1.16-1ubuntu1), released January 16, 2026.
Latest version
n/a
Release date not known
Security fixes
86
On record in Patch Radar
CVEs
59
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Release | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|---|
| High | xserver-xephyr 2:21.1.16-1ubuntu1 | Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1 | 8 | Jan 16, 2026 | |
| Urgent | xserver-xephyr 2:21.1.11-1ubuntu1 | Ubuntu 25.04 (plucky) | 2:21.1.11-1ubuntu1 | 6 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1 | Ubuntu 25.04 (plucky) | 2:21.1.12-1ubuntu1 | 4 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.10-1ubuntu1 | Ubuntu 25.04 (plucky) | 2:21.1.10-1ubuntu1 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.14-1ubuntu1 | Ubuntu 25.04 (plucky) | 2:21.1.14-1ubuntu1 | 1 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.7-3ubuntu2.1 | Ubuntu 25.04 (plucky) | 2:21.1.7-3ubuntu2.1 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu3 | Ubuntu 25.04 (plucky) | 2:21.1.3-2ubuntu3 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.13-2ubuntu1.2 | Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.2 | 8 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.7-1ubuntu3 | Ubuntu 25.04 (plucky) | 2:21.1.7-1ubuntu3 | 1 | Jan 16, 2026 | |
| Urgent | xserver-xephyr 2:21.1.11-1ubuntu1 | Ubuntu 24.10 (oracular) | 2:21.1.11-1ubuntu1 | 6 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1 | Ubuntu 24.10 (oracular) | 2:21.1.12-1ubuntu1 | 4 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.10-1ubuntu1 | Ubuntu 24.10 (oracular) | 2:21.1.10-1ubuntu1 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.13-2ubuntu1.1 | Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.1 | 1 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.7-3ubuntu2.1 | Ubuntu 24.10 (oracular) | 2:21.1.7-3ubuntu2.1 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu3 | Ubuntu 24.10 (oracular) | 2:21.1.3-2ubuntu3 | 2 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.7-1ubuntu3 | Ubuntu 24.10 (oracular) | 2:21.1.7-1ubuntu3 | 1 | Jan 16, 2026 | |
| High | xserver-xephyr 2:21.1.16-1ubuntu1.2 | Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.2 | 3 | Oct 28, 2025 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1.5 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.5 | 3 | Oct 27, 2025 | |
| High | xserver-xephyr 2:21.1.18-1ubuntu1.1 | Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1.1 | 3 | Oct 27, 2025 | |
| High | xserver-xephyr 2:21.1.21-1ubuntu1 | Ubuntu 26.04.1 LTS (resolute) | 2:21.1.21-1ubuntu1 | 3 | Oct 27, 2025 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.16 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.16 | 3 | Oct 27, 2025 | |
| High | xserver-xephyr 2:21.1.13-2ubuntu1.4 | Ubuntu 24.10 (oracular) | 2:21.1.13-2ubuntu1.4 | 6 | Jun 17, 2025 | |
| High | xserver-xephyr 2:21.1.16-1ubuntu1.1 | Ubuntu 25.04 (plucky) | 2:21.1.16-1ubuntu1.1 | 6 | Jun 17, 2025 | |
| High | xserver-xephyr 2:21.1.18-1ubuntu1 | Ubuntu 26.04.1 LTS (resolute) | 2:21.1.18-1ubuntu1 | 7 | Jun 16, 2025 | |
| High | xserver-xephyr 2:21.1.18-1ubuntu1 | Ubuntu 25.10 (questing) | 2:21.1.18-1ubuntu1 | 7 | Jun 16, 2025 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1.4 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.4 | 6 | Jun 16, 2025 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.15 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.15 | 6 | Jun 16, 2025 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm13 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm13 | 5 | Jun 16, 2025 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.20+esm1 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.20+esm1 | 5 | Jun 16, 2025 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.19 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.19 | 8 | Feb 25, 2025 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1.2 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.2 | 8 | Feb 25, 2025 | |
| High | xserver-xephyr 2:21.1.16-1ubuntu1 | Ubuntu 25.10 (questing) | 2:21.1.16-1ubuntu1 | 8 | Feb 25, 2025 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.13 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.13 | 8 | Feb 25, 2025 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm12 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm12 | 7 | Feb 25, 2025 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm10 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm10 | 1 | Feb 25, 2025 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm9 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm9 | 1 | Oct 29, 2024 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.18 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.18 | 1 | Oct 29, 2024 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1.1 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1.1 | 1 | Oct 29, 2024 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.12 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.12 | 1 | Oct 29, 2024 | |
| High | xserver-xephyr 2:21.1.12-1ubuntu1 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.12-1ubuntu1 | 4 | Mar 3, 2024 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm8 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm8 | 1 | Mar 3, 2024 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.17 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.17 | 1 | Mar 3, 2024 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.10 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.10 | 1 | Mar 3, 2024 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm7 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm7 | 3 | Mar 3, 2024 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.16 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.16 | 3 | Mar 3, 2024 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.9 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.9 | 3 | Mar 3, 2024 | |
| Urgent | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm4 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm4 | 6 | Jan 15, 2024 | |
| Urgent | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.14 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.14 | 6 | Jan 15, 2024 | |
| Urgent | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.7 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.7 | 6 | Jan 15, 2024 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm3 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm3 | 2 | Dec 12, 2023 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.12 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.12 | 2 | Dec 12, 2023 | |
| High | xserver-xephyr 2:21.1.10-1ubuntu1 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.10-1ubuntu1 | 2 | Dec 12, 2023 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.5 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.5 | 2 | Dec 12, 2023 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15+esm1 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15+esm1 | 2 | Oct 24, 2023 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.9 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.9 | 2 | Oct 24, 2023 | |
| High | xserver-xephyr 2:21.1.4-2ubuntu1.7~22.04.2 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.4-2ubuntu1.7~22.04.2 | 2 | Oct 24, 2023 | |
| High | xserver-xephyr 2:21.1.7-3ubuntu2.1 | Ubuntu 24.04.5 LTS (noble) | 2:21.1.7-3ubuntu2.1 | 2 | Oct 24, 2023 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.15 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.15 | 1 | Mar 29, 2023 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.8 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.8 | 1 | Mar 29, 2023 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu2.9 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.3-2ubuntu2.9 | 1 | Mar 29, 2023 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.14 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.14 | 1 | Feb 6, 2023 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.6 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.6 | 1 | Feb 6, 2023 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu2.7 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.3-2ubuntu2.7 | 1 | Feb 6, 2023 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.13 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.13 | 6 | Dec 13, 2022 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.5 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.5 | 6 | Dec 13, 2022 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu2.5 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.3-2ubuntu2.5 | 6 | Dec 13, 2022 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.12 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.12 | 2 | Oct 17, 2022 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.4 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.4 | 2 | Oct 17, 2022 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu2.3 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.3-2ubuntu2.3 | 2 | Oct 17, 2022 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.11 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.11 | 2 | Jul 12, 2022 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.3 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.3 | 2 | Jul 12, 2022 | |
| High | xserver-xephyr 2:21.1.3-2ubuntu2.1 | Ubuntu 22.04.1 LTS (jammy) | 2:21.1.3-2ubuntu2.1 | 2 | Jul 12, 2022 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu1~20.04.2 | Ubuntu 20.04 LTS (focal) | 2:1.20.13-1ubuntu1~20.04.2 | 4 | Dec 14, 2021 | |
| High | xserver-xephyr 2:1.20.13-1ubuntu2 | Ubuntu 22.04.1 LTS (jammy) | 2:1.20.13-1ubuntu2 | 4 | Dec 14, 2021 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.10 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.10 | 3 | Dec 14, 2021 | |
| Routine | xserver-xephyr 2:1.19.6-1ubuntu4.9 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.9 | 1 | Apr 13, 2021 | |
| Routine | xserver-xephyr 2:1.20.9-2ubuntu1.2~20.04.2 | Ubuntu 20.04 LTS (focal) | 2:1.20.9-2ubuntu1.2~20.04.2 | 1 | Apr 13, 2021 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.8 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.8 | 2 | Nov 30, 2020 | |
| High | xserver-xephyr 2:1.20.8-2ubuntu2.6 | Ubuntu 20.04 LTS (focal) | 2:1.20.8-2ubuntu2.6 | 2 | Nov 30, 2020 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.6 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.6 | 1 | Sep 2, 2020 | |
| High | xserver-xephyr 2:1.20.8-2ubuntu2.4 | Ubuntu 20.04 LTS (focal) | 2:1.20.8-2ubuntu2.4 | 1 | Sep 2, 2020 | |
| High | xserver-xephyr 2:1.19.6-1ubuntu4.5 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.5 | 4 | Aug 25, 2020 | |
| High | xserver-xephyr 2:1.20.8-2ubuntu2.3 | Ubuntu 20.04 LTS (focal) | 2:1.20.8-2ubuntu2.3 | 4 | Aug 25, 2020 | |
| Routine | xserver-xephyr 2:1.19.6-1ubuntu4.2 | Ubuntu 18.04.6 LTS (bionic) | 2:1.19.6-1ubuntu4.2 | 1 | Oct 24, 2018 | |
| Routine | xserver-xephyr 2:1.16.2.901-1ubuntu4 | Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | 1 | Feb 11, 2015 | |
| Routine | xserver-xephyr 2:1.16.2.901-1ubuntu4 | Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | 1 | Feb 11, 2015 |