What is GHSA-xrmp-pcg8-5q9v?

GHSA-xrmp-pcg8-5q9v is a security advisory published by GitHub Security Advisories with High severity. In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation...

Which CVE IDs does GHSA-xrmp-pcg8-5q9v cover?

GHSA-xrmp-pcg8-5q9v covers the following CVE IDs: CVE-2026-59644. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xrmp-pcg8-5q9v?

GHSA-xrmp-pcg8-5q9v has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-xrmp-pcg8-5q9vHighCVSS 7.5

In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation...

Vendor

GitHub Security Advisories

Published

August 3, 2026

Last Modified

August 31, 2026

🔗 CVE IDs covered (1)

CVE-2026-59644 →

📋 Description

In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-59644
https://github.com/bcgit/bc-java/commit/610d8757d855afe197df0de6d831cb75c81e3b9f
https://github.com/bcgit/bc-java/wiki/CVE-2026-59644
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059644
https://github.com/advisories/GHSA-xrmp-pcg8-5q9v