5.9

CVE-2025-9341: legion of the bouncy castle inc. bouncy castle for java fips Uncontrolled Resource Consumption

CVSS: 5.9v4.0MediumDeferred
AliasesGHSA-jfcv-jv9g-2vx2
Published 22-08-2025Last modified 24-10-2025

Vulnerability summary

CVE-2025-9341 is a medium (CVSS 5.9) Uncontrolled Resource Consumption vulnerability in legion of the bouncy castle inc. bouncy castle for java fips. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.7% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-08-2025
    PublishedVulnerability first disclosed.
  2. 24-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Legion of the bouncy castle inc.2 products
Org.bouncycastle2 products
  • bc-fips≥ 2.1.0, < 2.1.1
  • bctls-fips≥ 2.73.7, < 2.73.8

2 vendors · 4 products

References

3 links