Bug 2510200 (CVE-2026-59640) - CVE-2026-59640 org.bouncycastle/bcpg-jdk15on: org.bouncycastle/bcpg-fips: Bouncy Castle for Java: Information disclosure via OpenPGP CFB quick-check oracle
Summary: CVE-2026-59640 org.bouncycastle/bcpg-jdk15on: org.bouncycastle/bcpg-fips: Bou...
Keywords:
Status: NEW
Alias: CVE-2026-59640
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-03 02:01 UTC by OSIDB Bzimport
Modified: 2026-08-24 21:39 UTC (History)
28 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-08-03 02:01:52 UTC 
In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. 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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