Linux · 
Ubuntu · Package update · January 7, 2026
Ubuntu · Package update · January 7, 2026libundertow-java 2.3.20-1ubuntu1: libundertow-java 2.3.20-1ubuntu1 for Ubuntu 26.04.1 LTS (resolute)
libundertow-java 2.3.20-1ubuntu1, released January 7, 2026, fixes 1 CVE in libundertow-java. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
n/a
No CVSS score published
Highest EPSS
0.0133
71st percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| libundertow-java | Ubuntu 26.04.1 LTS (resolute) | 2.3.20-1ubuntu1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-12543 | libundertow-java: A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications | n/a | 0.0133 | None reported |
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