CVE-2026-53434

NameCVE-2026-53434
DescriptionDetection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fixes the issue.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tomcat10 (PTS)bookworm10.1.52-1~deb12u1vulnerable
bookworm (security)10.1.55-1~deb12u1vulnerable
trixie10.1.52-1~deb13u1vulnerable
trixie (security)10.1.55-1~deb13u1vulnerable
forky, sid10.1.55-1vulnerable
tomcat11 (PTS)trixie11.0.15-1~deb13u1vulnerable
trixie (security)11.0.22-1~deb13u1vulnerable
forky, sid11.0.22-2vulnerable
tomcat9 (PTS)bullseye9.0.43-2~deb11u10vulnerable
bullseye (security)9.0.118-0+deb11u1fixed
bookworm9.0.70-2fixed
trixie9.0.95-1fixed
forky, sid9.0.118-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tomcat10source(unstable)(unfixed)
tomcat11source(unstable)(unfixed)
tomcat9source(unstable)9.0.70-2

Notes

Starting with 9.0.70-2 src:tomcat9 no longer ships the server stack, using that as the fixed version
https://github.com/apache/tomcat/commit/7f8ecdbd930d8c5a7fae73aa0eec9124d919e2f5 (11.0.23)
https://github.com/apache/tomcat/commit/feec60d6099727db6f911534f6a0f6926ebab070 (10.1.56)
https://github.com/apache/tomcat/commit/c48ac39c27f4494f8c96b9d56a487253e362d276 (9.0.119)

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