CVE-2025-9340

native encrypt/decrypt operations in JCE may corrupt data if same byte array used for input and output.

State: Published
Severity: 0.0 None
Published: Aug 22, 2025
Updated: Aug 22, 2025
Reserved: Aug 22, 2025

Description

Out-of-bounds Write vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java bc-fips on All (API modules). This vulnerability is associated with program files org/bouncycastle/jcajce/provider/BaseCipher.

This issue affects Bouncy Castle for Java: from BC-FJA 2.1.0 through 2.1.0.

Scores

CVSS	Score	Vector	Source
4.0	0.0 None	CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/R:U/RE:M/U:Green	bcorg

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
Bouncy Castle for JavaLegion of the Bouncy Castle Inc.	BC-FJA 2.1.0 through 2.1.0Affected

References

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%909340

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