CVE-2026-5598

NameCVE-2026-5598
DescriptionCovert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). Non-constant time comparisons risk private key leakage in FrodoKEM. This issue affects BC-JAVA: from 2.17.3 before 1.84.
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)bullseye1.68-2undetermined
bookworm1.72-2undetermined
forky, sid, trixie1.80-3undetermined

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bouncycastlesource(unstable)undetermined

Notes

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905998
check actual status upstream, advisory contains 'to be deleted', invald?

Search for package or bug name: Reporting problems