Bug 2510256 (CVE-2026-12860) - CVE-2026-12860 org.bouncycastle/bc-java: org.bouncycastle/bc-lts-java: Bouncy Castle for Java: Cryptographic signature bypass in RSA PKCS#1 verification
Summary: CVE-2026-12860 org.bouncycastle/bc-java: org.bouncycastle/bc-lts-java: Bouncy...
Keywords:
Status: NEW
Alias: CVE-2026-12860
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
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Depends On: 2533199 2533200
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-03 04:01 UTC by OSIDB Bzimport
Modified: 2026-09-14 17:02 UTC (History)
114 users (show)

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Description OSIDB Bzimport 2026-08-03 04:01:25 UTC 
In Bouncy Castle for Java before 1.85, RSA PKCS#1 verification skips last two hash bytes in NULL-omitted path. This issue also affects Bouncy Castle for Java LTS before 2.73.12.
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