CVE-2026-93446

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.

High
CVSS
7.5
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0059
48th percentile

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

ProductFixed inFixReleased
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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