CVE-2025-9340
Java vulnerability analysis and mitigation

Overview

Out-of-bounds Write vulnerability (CWE-787) discovered in Legion of the Bouncy Castle Inc. Bouncy Castle for Java bc-fips affecting all API modules. The vulnerability specifically impacts the program files in org/bouncycastle/jcajce/provider/BaseCipher. The affected versions range from BC-FJA 2.1.0 through 2.1.0. This security issue was disclosed on August 22, 2025 (NVD).

Technical details

The vulnerability is classified as an Out-of-bounds Write (CWE-787) issue. According to the CVSS v4.0 scoring, it has been assigned a base score of 0.0 (NONE) with the following vector: 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. The attack vector is Physical (AV:P), requires Low attack complexity (AC:L), Present attack requirements (AT:P), Low privileges (PR:L), and Active user interaction (UI:A) (NVD).

Impact

Based on the CVSS scoring metrics, the vulnerability shows no direct impact on confidentiality (VC:N), integrity (VI:N), or availability (VA:N). Additionally, there are no subsequent system impacts indicated for confidentiality (SC:N), integrity (SI:N), or availability (SA:N) (NVD).

Additional resources


SourceThis report was generated using AI

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