Vulnerability in Legion Of The Bouncy Castle Inc. Bc-java

CVE-2026-59644

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

Affected products

Legion Of The Bouncy Castle Inc. Bc-java — versions 1.73

Weakness classification (CWE)

CWE-834 — Excessive Iteration

References

91579145-5d7b-4cc5-b925-a0262ff19630 (patch)
91579145-5d7b-4cc5-b925-a0262ff19630 (vendor-advisory)
91579145-5d7b-4cc5-b925-a0262ff19630 (vendor-advisory)