tomcat9: Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently
CVE-2026-93446 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-93446, released October 21, 2026. It is not reported as exploited. Patch Radar priority: High.
Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently. This issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| tomcat · sles 15.6 | 9.0.123-150200.126.1 | SUSE-SU-2026:5116-1 | Nov 7, 2026 |
| tomcat · sles 15.7 | 9.0.123-150200.126.1 | SUSE-SU-2026:5116-1 | Nov 7, 2026 |
| tomcat10 · sles 15.6 | 10.1.61-150200.5.85.1 | SUSE-SU-2026:5073-1 | Nov 7, 2026 |
| tomcat10 · sles 15.7 | 10.1.61-150200.5.85.1 | SUSE-SU-2026:5073-1 | Nov 7, 2026 |
| tomcat9 · Debian 12.15 (bookworm) | 9.0.70-2 | DEBIAN-CVE-2026-93446 | Oct 21, 2026 |
| tomcat9 · Debian 13.5 (trixie) | 9.0.70-2 | DEBIAN-CVE-2026-93446 | Oct 21, 2026 |
| tomcat9 · Debian 14 | 9.0.70-2 | DEBIAN-CVE-2026-93446 | Oct 21, 2026 |
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