| Name | CVE-2026-59644 |
| Description | In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| bouncycastle (PTS) | bullseye | 1.68-2 | vulnerable |
| bookworm | 1.72-2 | vulnerable | |
| forky, sid, trixie | 1.80-3 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| bouncycastle | source | (unstable) | (unfixed) |
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059644
Fixed by: https://github.com/bcgit/bc-java/commit/610d8757d855afe197df0de6d831cb75c81e3b9f (r1rv85)