5.9

CVE-2025-12194: legion of the bouncy castle inc. bouncy castle for java fips Uncontrolled Resource Consumption

CVSS: 5.9v4.0MediumDeferred
AliasesUBUNTU-CVE-2025-12194DEBIAN-CVE-2025-12194CGA-2529-4x8w-hmqq
Published 24-10-2025Last modified 27-10-2025
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Vulnerability summary

CVE-2025-12194 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 4.2% 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 · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
CGA-9XGP-86X5-PVF4

Timeline

  1. 24-10-2025
    PublishedVulnerability first disclosed.
  2. 27-10-2025
    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 core/src/main/jdk1.9/org/bouncycastle/crypto/fips/AESNativeCFB.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/fips/AESNativeGCM.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/fips/SHA256NativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/fips/AESNativeEngine.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/fips/AESNativeCBC.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/fips/AESNativeCTR.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeCFB.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeGCM.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeEngine.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeCBC.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeGCMSIV.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeCCM.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/engines/AESNativeCTR.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHA256NativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHA224NativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHA3NativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHAKENativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHA512NativeDigest.Java, core/src/main/jdk1.9/org/bouncycastle/crypto/digests/SHA384NativeDigest.Java. This issue affects Bouncy Castle for Java FIPS: from 2.1.0 through 2.1.1; Bouncy Castle for Java LTS: from 2.73.0 through 2.73.7.

CVSS metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.01 pp

From 0.14% 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

Chainguard45 products
  • bouncycastle-fips< 2.1.3-r0
  • guacamole-client-extensions< 1.6.0-r2
  • logstash-fips-9.3All versions (No fix recorded)
  • logstash-fips-9.3-iamguarded-compatAll versions (No fix recorded)
  • logstash-fips-9.4< 9.4.1-r1
Wolfi39 products
  • opensearch-3< 3.3.2-r0
  • opensearch-3-alerting< 3.3.2-r0
  • opensearch-3-analysis-icu< 3.3.2-r0
  • opensearch-3-analysis-kuromoji< 3.3.2-r0
  • opensearch-3-analysis-nori< 3.3.2-r0
Legion of the bouncy castle inc.2 products
Org.bouncycastle2 products
  • bc-fips≥ 2.1.0, < 2.1.2
  • bcprov-debug-lts8on≥ 2.73.0, < 2.73.8
Debian1 product
  • bouncycastleAll versions (No fix recorded)
Ubuntu1 product
  • bouncycastleAll versions (No fix recorded)

6 vendors · 90 products

References

10 links