Vulnerability Description
In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bctls-fips 1.0.24 (1.0.X series), 2.0.24 (2.0.X series) and 2.1.24 (2.1.X series).
Related Weaknesses (CWE)
References
- https://github.com/bcgit/bc-java/commit/2d98721e71bbd822ffa0f84e088eea645cf679fa
- https://github.com/bcgit/bc-java/commit/2ea38942c7917f6d7ab4de93d8a5336d021df0d9
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059646
FAQ
What is CVE-2026-59646?
CVE-2026-59646 is a documented vulnerability. In Bouncy Castle for Java before 1.85, DTLS handshake reassembler allocates buffer from unchecked 24-bit length. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle fo...
How severe is CVE-2026-59646?
CVSS scoring is not yet available for CVE-2026-59646. Check NVD for updates.
Is there a patch for CVE-2026-59646?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.