Bug 2510254 (CVE-2026-12802) - CVE-2026-12802 bouncycastle: bcpkix-fips: Bouncy Castle for Java: Integrity compromise due to insufficient tag-length enforcement in CMS AuthEnvelopedData decryption.
Summary: CVE-2026-12802 bouncycastle: bcpkix-fips: Bouncy Castle for Java: Integrity c...
Keywords:
Status: NEW
Alias: CVE-2026-12802
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2524913 2524922
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-03 04:01 UTC by OSIDB Bzimport
Modified: 2026-08-27 10:45 UTC (History)
23 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-03 04:01:19 UTC 
In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).
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