Linux
libundertow-java security updates
Patch Radar has 5 security fixes for libundertow-java, closing 5 CVEs. The newest is libundertow-java 1.4.23-3ubuntu0.1~esm1 (1.4.23-3ubuntu0.1~esm1), released January 7, 2026.
Latest version
n/a
Release date not known
Security fixes
5
On record in Patch Radar
CVEs
5
Closed by those fixes
Exploited
0
Vendor report or CISA KEV
Security fixes, newest first
| Priority | Fix | Release | Fixed in | CVEs | Exploited | Released |
|---|---|---|---|---|---|---|
| High | libundertow-java 1.4.23-3ubuntu0.1~esm1 | Ubuntu 18.04.6 LTS (bionic) | 1.4.23-3ubuntu0.1~esm1 | 1 | Jan 7, 2026 | |
| High | libundertow-java 2.0.29-1ubuntu0.1~esm1 | Ubuntu 20.04 LTS (focal) | 2.0.29-1ubuntu0.1~esm1 | 1 | Jan 7, 2026 | |
| High | libundertow-java 2.2.16-1ubuntu0.1~esm1 | Ubuntu 22.04.1 LTS (jammy) | 2.2.16-1ubuntu0.1~esm1 | 1 | Jan 7, 2026 | |
| High | libundertow-java 2.3.8-2ubuntu0.1~esm1 | Ubuntu 24.04.5 LTS (noble) | 2.3.8-2ubuntu0.1~esm1 | 1 | Jan 7, 2026 | |
| Routine | libundertow-java 2.0.23-1 | Ubuntu 20.04 LTS (focal) | 2.0.23-1 | 4 | Jul 25, 2019 |