CVE-2026-93446
published 2026-10-20CVE-2026-93446: 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…
PriorityP433
EPSS
0.25%
16.2th 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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache_software_foundation | apache_tomcat | 10.1.25 – 10.1.60 | — |
| apache_software_foundation | apache_tomcat | 11.0.0-M21 – 11.0.26 | — |
| apache_software_foundation | apache_tomcat | 9.0.90 – 9.0.122 | — |
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GHSA
Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.
ghsa_unreviewed·2026-10-20
CVE-2026-93446 CWE-459 Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.
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.
Red Hat
tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
vendor_redhat·2026-10-20
CVE-2026-93446 [MEDIUM] CWE-459 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
A flaw was found in Apache Tomcat. An incomplete cleanup vulnerability can cause Transport Layer Security (TLS) 1.3 connections to fail intermittently. This issue may prevent remote clients from establishing secure connections, resulting in an intermittent Denial of Service (DoS).
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-44]
bugzilla·2026-10-22
CVE-2026-93446 [MEDIUM] CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-44]
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-44]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-43]
bugzilla·2026-10-22
CVE-2026-93446 [MEDIUM] CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-43]
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-43]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-rawhide]
bugzilla·2026-10-22
CVE-2026-93446 [MEDIUM] CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-rawhide]
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures [fedora-rawhide]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
bugzilla·2026-10-20
CVE-2026-93446 [MEDIUM] CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
CVE-2026-93446 tomcat: Apache Tomcat: Possible TLS 1.3 connection failures
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.
2026-10-20
Published