CVE-2026-12803

NameCVE-2026-12803
DescriptionIn Bouncy Castle for Java before 1.85, KCCMBlockCipher MAC does not bi ...
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
bouncycastle (PTS)bullseye1.68-2vulnerable
bookworm1.72-2vulnerable
forky, sid, trixie1.80-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bouncycastlesource(unstable)(unfixed)

Notes

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012803
Fixed by: https://github.com/bcgit/bc-java/commit/697794413ebf7bc5e3fce609a707826ba52981af (r1rv85)
Fixed by: https://github.com/bcgit/bc-java/commit/7d79aa76e984da85f2a541cae8ba2ae56e1713bc (r1rv85)

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