Vulnerability Description
In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).
Related Weaknesses (CWE)
References
- https://github.com/bcgit/bc-java/commit/2f81b22d559b3a1b026388e1ca78dd547384def8
- https://github.com/bcgit/bc-java/commit/fd89fe918b37fea1c71e95fae50284a325b09721
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059641
FAQ
What is CVE-2026-59641?
CVE-2026-59641 is a documented vulnerability. In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for...
How severe is CVE-2026-59641?
CVSS scoring is not yet available for CVE-2026-59641. Check NVD for updates.
Is there a patch for CVE-2026-59641?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.