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Vulnerability IntelligenceCVE-2025-14813

CVE-2025-14813

CRITICAL9.3

GOSTCTR implementation unable to process more than 255 blocks correctly

Published Apr 15, 2026

Modified 1 weeks ago

Details

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcprov on all (core modules). This vulnerability is associated with program files G3413CTRBlockCipher.

GOSTCTR implementation unable to process more than 255 blocks correctly.

This issue affects BC-JAVA: from 1.59 before 1.84.

References

FIX

https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3

FIX

https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f

ADVISORY

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2025-14813

CVSS Analysis

CVSS v4.0

9.3

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Vulnerable System

Vuln. Confidentiality

HighVC:H

Vuln. Integrity

HighVI:H

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

HighSC:H

Subseq. Integrity

HighSI:H

Subseq. Availability

NoneSA:N

9.3/CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/RE:M/U:Red

Weakness Type (CWE)

Cryptography

CWE-327

Broken Crypto Algorithm

Ecosystems

Timeline

PublishedApr 15, 2026

ModifiedApr 15, 2026

CVE-2025-14813 | Mondoo Vulnerability Intelligence