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CVE-2025-12194

MEDIUM
5.9
CVSS Score
Published: October 24, 2025 at 10:51 PM UTC
Updated: October 18, 2026 at 09:10 PM UTC
2 products affected across 1 vendorBouncy Castle for Java FIPS (BC-FJA)Bouncy Castle for Java LTS (BC-LTS)

Using Bouncy Castle for Java FIPS by Legion of the Bouncy Castle Inc.?

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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 3.73.7.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9012194

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMbcorg
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-400

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