Linux
libc-ares2 security updates
Patch Radar has 18 security fixes for libc-ares2, closing 9 CVEs. The newest is libc-ares2 1.14.0-1ubuntu0.2+esm3 (1.14.0-1ubuntu0.2+esm3), released September 18, 2026.
Latest version
n/a
Release date not known
Security fixes
18
On record in Patch Radar
CVEs
9
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Release | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|---|
| High | libc-ares2 1.14.0-1ubuntu0.2+esm3 | Ubuntu 18.04.6 LTS (bionic) | 1.14.0-1ubuntu0.2+esm3 | 2 | Sep 18, 2026 | |
| High | libc-ares2 1.15.0-1ubuntu0.5+esm1 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.5+esm1 | 1 | Sep 18, 2026 | |
| High | libc-ares2 1.18.1-1ubuntu0.22.04.4 | Ubuntu 22.04.1 LTS (jammy) | 1.18.1-1ubuntu0.22.04.4 | 1 | Sep 18, 2026 | |
| High | libc-ares2 1.34.4-2.1ubuntu0.1 | Ubuntu 25.04 (plucky) | 1.34.4-2.1ubuntu0.1 | 1 | Jan 16, 2026 | |
| Routine | libc-ares2 1.34.5-1ubuntu0.1 | Ubuntu 25.10 (questing) | 1.34.5-1ubuntu0.1 | 1 | Dec 8, 2025 | |
| Routine | libc-ares2 1.14.0-1ubuntu0.2+esm2 | Ubuntu 18.04.6 LTS (bionic) | 1.14.0-1ubuntu0.2+esm2 | 1 | Feb 23, 2024 | |
| Routine | libc-ares2 1.15.0-1ubuntu0.5 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.5 | 1 | Feb 23, 2024 | |
| Routine | libc-ares2 1.18.1-1ubuntu0.22.04.3 | Ubuntu 22.04.1 LTS (jammy) | 1.18.1-1ubuntu0.22.04.3 | 1 | Feb 23, 2024 | |
| Routine | libc-ares2 1.15.0-1ubuntu0.4 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.4 | 1 | Aug 22, 2023 | |
| High | libc-ares2 1.14.0-1ubuntu0.2+esm1 | Ubuntu 18.04.6 LTS (bionic) | 1.14.0-1ubuntu0.2+esm1 | 2 | May 25, 2023 | |
| High | libc-ares2 1.15.0-1ubuntu0.3 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.3 | 2 | May 25, 2023 | |
| High | libc-ares2 1.18.1-1ubuntu0.22.04.2 | Ubuntu 22.04.1 LTS (jammy) | 1.18.1-1ubuntu0.22.04.2 | 2 | May 25, 2023 | |
| High | libc-ares2 1.14.0-1ubuntu0.2 | Ubuntu 18.04.6 LTS (bionic) | 1.14.0-1ubuntu0.2 | 1 | Feb 14, 2023 | |
| High | libc-ares2 1.15.0-1ubuntu0.2 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.2 | 1 | Feb 14, 2023 | |
| High | libc-ares2 1.18.1-1ubuntu0.22.04.1 | Ubuntu 22.04.1 LTS (jammy) | 1.18.1-1ubuntu0.22.04.1 | 1 | Feb 14, 2023 | |
| Routine | libc-ares2 1.14.0-1ubuntu0.1 | Ubuntu 18.04.6 LTS (bionic) | 1.14.0-1ubuntu0.1 | 1 | Aug 9, 2021 | |
| Routine | libc-ares2 1.15.0-1ubuntu0.1 | Ubuntu 20.04 LTS (focal) | 1.15.0-1ubuntu0.1 | 1 | Aug 9, 2021 | |
| Routine | libc-ares2 1.17.1-1ubuntu1 | Ubuntu 22.04.1 LTS (jammy) | 1.17.1-1ubuntu1 | 1 | Aug 9, 2021 |