CVE-2026-59649
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber
Summary
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).
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA | 0 < 1.85 | affected |
| Legion of the Bouncy Castle Inc. | BC-LTS-JAVA | 2.73.0 < 2.73.12 | affected |
| Legion of the Bouncy Castle Inc. | BC-FJA | 1.0.0 < 1.0.13 | affected |
| Legion of the Bouncy Castle Inc. | BC-FJA | 2.0.0 < 2.0.13 | affected |
| Legion of the Bouncy Castle Inc. | BC-FJA | 2.1.0 < 2.1.13 | affected |
Weaknesses
- CWE-789: CWE-789 Memory Allocation with Excessive Size Value
References
- https://github.com/bcgit/bc-java/wiki/CVE-2026-59649
- https://github.com/bcgit/bc-java/commit/a43c40dc12c3e1c6cbd03c83fe30aaec4029b824
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