CVE-2026-41284

NameCVE-2026-41284
DescriptionAllocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], 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)bookworm, bookworm (security)10.1.52-1~deb12u1vulnerable
trixie (security), trixie10.1.52-1~deb13u1vulnerable
forky, sid10.1.54-1vulnerable
tomcat11 (PTS)trixie (security), trixie11.0.15-1~deb13u1vulnerable
forky11.0.21-1vulnerable
sid11.0.22-2fixed
tomcat9 (PTS)bullseye9.0.43-2~deb11u10vulnerable
bullseye (security)9.0.107-0+deb11u2fixed
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)11.0.22-1
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
Fixed by: https://github.com/apache/tomcat/commit/a96fffd18487a29c0a30d36f00cb2b2d91f6d42c (11.0.22)
Fixed by: https://github.com/apache/tomcat/commit/b3d1c1c239142e806be0b7329d304b94a58913ed (10.1.55)
Fixed by: https://github.com/apache/tomcat/commit/17dacd9aa48628da2eba37a9ab743c0b6c71685c (9.0.118)
https://lists.apache.org/thread/2nvqjr7ovjmvx2vbhb7s61ycd5msc8qc

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