| Name | CVE-2026-5598 |
| Description | Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). This vulnerability is associated with program files FrodoEngine.Java. This issue affects BC-JAVA: from 1.71 before 1.84. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1134386 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bouncycastle (PTS) | bullseye | 1.68-2 | fixed |
| bookworm | 1.72-2 | vulnerable |
| forky, sid, trixie | 1.80-3 | vulnerable |
The information below is based on the following data on fixed versions.
Notes
[bullseye] - bouncycastle <not-affected> (Vulnerable code introduced in 1.71)
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905598
Fixed by: https://github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87 (r1rv84)