Vulnerability Description
In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
Related Weaknesses (CWE)
References
- https://github.com/bcgit/bc-java/commit/610d8757d855afe197df0de6d831cb75c81e3b9f
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059644
FAQ
What is CVE-2026-59644?
CVE-2026-59644 is a documented vulnerability. In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
How severe is CVE-2026-59644?
CVSS scoring is not yet available for CVE-2026-59644. Check NVD for updates.
Is there a patch for CVE-2026-59644?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.