: 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.



This issue affects BC-JAVA: from 1.59 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

Project Subscriptions

Vendors Products
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Bc-java Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-574f-3g2m-x479 Bouncy Castle for Java GOST 28147 CTR mode reuses keystream after 255 blocks
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 18 May 2026 23:30:00 +0000

Type Values Removed Values Added
Description 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. : 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. This issue affects BC-JAVA: from 1.59 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.

Wed, 29 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

threat_severity

Important


Wed, 15 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Bouncycastle
Bouncycastle bc-java
Vendors & Products Bouncycastle
Bouncycastle bc-java

Wed, 15 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 15 Apr 2026 10:45:00 +0000

Type Values Removed Values Added
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}


Wed, 15 Apr 2026 09:30:00 +0000

Type Values Removed Values Added
Description 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.
Title GOSTCTR implementation unable to process more than 255 blocks correctly
Weaknesses CWE-327
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: bcorg

Published:

Updated: 2026-07-16T12:04:49.798Z

Reserved: 2025-12-17T00:17:44.229Z

Link: CVE-2025-14813

cve-icon Vulnrichment

Updated: 2026-07-16T12:04:49.798Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-15T10:16:38.243

Modified: 2026-06-17T08:36:35.593

Link: CVE-2025-14813

cve-icon Redhat

Severity : Important

Publid Date: 2026-04-15T08:56:34Z

Links: CVE-2025-14813 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T01:00:12Z

Weaknesses