Bug 2510195 (CVE-2026-59649) - CVE-2026-59649 org.bouncycastle/bcpg-fips: org.bouncycastle/bcpg-jdk15on: org.bouncycastle/bcpg-jdk18on: Bouncy Castle for Java: Denial of Service due to unbounded OpenPGP user-attribute subpacket length
Summary: CVE-2026-59649 org.bouncycastle/bcpg-fips: org.bouncycastle/bcpg-jdk15on: org...
Keywords:
Status: NEW
Alias: CVE-2026-59649
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: 2523404
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-03 02:01 UTC by OSIDB Bzimport
Modified: 2026-08-25 12:02 UTC (History)
36 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-03 02:01:37 UTC 
In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).
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