PatchTheCVEbcpkix-fips vulnerabilities and fixes
Recent CVEs affecting bcpkix-fips, with upgrade or downgrade steps. 5 tracked.
Also searched as: bcpkix fips.
bcpkix-fips has 5 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 5. Most recent: 2026-08-03. Highest priority: CVE-2026-15055 (score 40/100).
- CVE-2026-12802 HIGH 7.5 UPGRADE UPGRADE In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption
- CVE-2026-59647 MEDIUM 5.3 UPGRADE UPGRADE In Bouncy Castle for Java before 1.85, CRMF/CMP password-MAC honours unbounded iteration count
- CVE-2026-59642 HIGH 7.5 UPGRADE UPGRADE In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present
- CVE-2026-59639 HIGH 7.5 UPGRADE UPGRADE In Bouncy Castle for Java before 1.85, CMS verifySignatures returns true for SignedData with zero signers
- CVE-2026-15055 HIGH 8.2 UPGRADE UPGRADE In Bouncy Castle for Java before 1.85, PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input
FAQ
How do I fix bcpkix-fips vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is bcpkix-fips being exploited right now?
None of the tracked bcpkix-fips CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which bcpkix-fips CVE should I patch first?
CVE-2026-15055 currently ranks highest (40/100): In Bouncy Castle for Java before 1.85, PKCS#8 / PBES2 decryptors honour unbounded KDF cost from input.