Bouncy Castle for Java has Uncontrolled Resource Consumption Vulnerability

MEDIUM 5.9CVE-2025-9341 · GHSA-jfcv-jv9g-2vx2 · Published 22/08/2025 · updated 17/06/2026

In short

CVE-2025-9341 is a MEDIUM (CVSS 5.9) vulnerability affecting org.bouncycastle:bc-fips, org.bouncycastle:bctls-fips.
Chance of exploitation in the next 30 days (EPSS): 0.16%, higher than 5.1% of all vulnerabilities.
Fix: update to 2.1.1, 2.73.8 or later.

Package	Affected versions	Patched versions
org.bouncycastle:bc-fips Maven	`≥ 2.1.0, < 2.1.1`	`2.1.1`
org.bouncycastle:bctls-fips Maven	`≥ 2.73.7, < 2.73.8`	`2.73.8`

Description

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java FIPS bc-fips on All (API modules) allows Excessive Allocation. This vulnerability is associated with program files org/bouncycastle/crypto/fips/AESNativeCBC.Java.

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

NVD description

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java FIPS bc-fips on All (API modules), Legion of the Bouncy Castle Inc. Bouncy Castle for Java LTS bcprov-lts8on on All (API modules) allows Excessive Allocation. This vulnerability is associated with program files org/bouncycastle/crypto/fips/AESNativeCBC.Java, org/bouncycastle/crypto/engines/AESNativeCBC.Java. This issue affects Bouncy Castle for Java FIPS: 2.1.0; Bouncy Castle for Java LTS: from 2.73.0 through 2.73.7.