CVE-2026-59640
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).
Scoring
- Severity
- HIGH
- CVSS base score
- 8.7
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/U:Amber
- EPSS probability
- 0.22%
- CWE
- CWE-203
- Published
- 2026-08-03
- Last modified
- 2026-08-03
Affected products
- Legion of the Bouncy Castle Inc. BC-JAVA
- Legion of the Bouncy Castle Inc. BC-LTS-JAVA
- Legion of the Bouncy Castle Inc. BC-FJA
- Legion of the Bouncy Castle Inc. BC-FJA
- Legion of the Bouncy Castle Inc. BC-FJA
Weakness type
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