Linux
systemd-timesyncd security updates
Patch Radar has 24 security fixes for systemd-timesyncd, closing 13 CVEs. The newest is systemd-timesyncd 249.11-0ubuntu3.22 (249.11-0ubuntu3.22), released August 11, 2026.
Latest version
n/a
Release date not known
Security fixes
24
On record in Patch Radar
CVEs
13
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Release | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|---|
| Routine | systemd-timesyncd 249.11-0ubuntu3.22 | Ubuntu 22.04.1 LTS (jammy) | 249.11-0ubuntu3.22 | 2 | Aug 11, 2026 | |
| Routine | systemd-timesyncd 255.4-1ubuntu8.17 | Ubuntu 24.04.5 LTS (noble) | 255.4-1ubuntu8.17 | 2 | Aug 11, 2026 | |
| High | systemd-timesyncd 257.9-0ubuntu2.3 | Ubuntu 25.10 (questing) | 257.9-0ubuntu2.3 | 2 | Apr 15, 2026 | |
| High | systemd-timesyncd 255.4-1ubuntu8.14 | Ubuntu 24.04.5 LTS (noble) | 255.4-1ubuntu8.14 | 2 | Apr 15, 2026 | |
| High | systemd-timesyncd 249.11-0ubuntu3.19 | Ubuntu 22.04.1 LTS (jammy) | 249.11-0ubuntu3.19 | 2 | Apr 15, 2026 | |
| High | systemd-timesyncd 245.4-4ubuntu3.24+esm3 | Ubuntu 20.04 LTS (focal) | 245.4-4ubuntu3.24+esm3 | 2 | Apr 15, 2026 | |
| Routine | systemd-timesyncd 249.11-0ubuntu3.21 | Ubuntu 22.04.1 LTS (jammy) | 249.11-0ubuntu3.21 | 2 | Apr 10, 2026 | |
| Routine | systemd-timesyncd 255.4-1ubuntu8.16 | Ubuntu 24.04.5 LTS (noble) | 255.4-1ubuntu8.16 | 1 | Apr 10, 2026 | |
| Routine | systemd-timesyncd 257.9-0ubuntu2.5 | Ubuntu 25.10 (questing) | 257.9-0ubuntu2.5 | 1 | Apr 10, 2026 | |
| Routine | systemd-timesyncd 257.4-1ubuntu3.1 | Ubuntu 25.04 (plucky) | 257.4-1ubuntu3.1 | 1 | Jan 16, 2026 | |
| High | systemd-timesyncd 244.1-0ubuntu3 | Ubuntu 25.04 (plucky) | 244.1-0ubuntu3 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 248.3-1ubuntu3 | Ubuntu 25.04 (plucky) | 248.3-1ubuntu3 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 256.5-2ubuntu3.3 | Ubuntu 24.10 (oracular) | 256.5-2ubuntu3.3 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 255.2-3ubuntu1 | Ubuntu 25.04 (plucky) | 255.2-3ubuntu1 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 255.2-3ubuntu1 | Ubuntu 24.10 (oracular) | 255.2-3ubuntu1 | 1 | Jan 16, 2026 | |
| High | systemd-timesyncd 244.1-0ubuntu3 | Ubuntu 24.10 (oracular) | 244.1-0ubuntu3 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 248.3-1ubuntu3 | Ubuntu 24.10 (oracular) | 248.3-1ubuntu3 | 1 | Jan 16, 2026 | |
| Routine | systemd-timesyncd 245.4-4ubuntu3.24+esm1 | Ubuntu 20.04 LTS (focal) | 245.4-4ubuntu3.24+esm1 | 1 | May 30, 2025 | |
| Routine | systemd-timesyncd 249.11-0ubuntu3.16 | Ubuntu 22.04.1 LTS (jammy) | 249.11-0ubuntu3.16 | 1 | May 30, 2025 | |
| Routine | systemd-timesyncd 255.4-1ubuntu8.8 | Ubuntu 24.04.5 LTS (noble) | 255.4-1ubuntu8.8 | 1 | May 30, 2025 | |
| Routine | systemd-timesyncd 245.4-4ubuntu3.20 | Ubuntu 20.04 LTS (focal) | 245.4-4ubuntu3.20 | 2 | Jan 11, 2023 | |
| Routine | systemd-timesyncd 249.11-0ubuntu3.7 | Ubuntu 22.04.1 LTS (jammy) | 249.11-0ubuntu3.7 | 2 | Jan 11, 2023 | |
| Routine | systemd-timesyncd 245.4-4ubuntu3.15 | Ubuntu 20.04 LTS (focal) | 245.4-4ubuntu3.15 | 1 | Jan 9, 2022 | |
| Routine | systemd-timesyncd 245.4-4ubuntu3.10 | Ubuntu 20.04 LTS (focal) | 245.4-4ubuntu3.10 | 2 | Jul 20, 2021 |