CVE-2026-59644

Published Aug 3, 2026 CWE-834

Description

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

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Weakness Type (CWE)

CWE-834 CWE-834

References

Frequently Asked Questions

What is CVE-2026-59644? +
In Bouncy Castle for Java before 1.85, MLS hash-ratchet honours arbitrary 32-bit generation counter from sender.
How do I check if I'm vulnerable to CVE-2026-59644? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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