: 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.
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.

References
Link Providers
https://access.redhat.com/errata/RHSA-2026:11720 cve-icon
https://access.redhat.com/errata/RHSA-2026:11721 cve-icon
https://access.redhat.com/errata/RHSA-2026:13631 cve-icon
https://access.redhat.com/errata/RHSA-2026:14272 cve-icon
https://access.redhat.com/errata/RHSA-2026:14276 cve-icon
https://access.redhat.com/errata/RHSA-2026:17668 cve-icon
https://access.redhat.com/errata/RHSA-2026:18054 cve-icon
https://access.redhat.com/errata/RHSA-2026:18055 cve-icon
https://access.redhat.com/errata/RHSA-2026:18059 cve-icon
https://access.redhat.com/errata/RHSA-2026:21772 cve-icon
https://access.redhat.com/errata/RHSA-2026:24977 cve-icon
https://access.redhat.com/errata/RHSA-2026:53644 cve-icon
https://access.redhat.com/errata/RHSA-2026:53806 cve-icon
https://access.redhat.com/errata/RHSA-2026:60239 cve-icon
https://access.redhat.com/errata/RHSA-2026:60246 cve-icon
https://access.redhat.com/errata/RHSA-2026:60247 cve-icon
https://access.redhat.com/errata/RHSA-2026:60250 cve-icon
https://access.redhat.com/errata/RHSA-2026:60251 cve-icon
https://access.redhat.com/errata/RHSA-2026:60254 cve-icon
https://access.redhat.com/errata/RHSA-2026:60259 cve-icon
https://access.redhat.com/security/cve/CVE-2025-14813 cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2458640 cve-icon
https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3 cve-icon cve-icon
https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f cve-icon cve-icon
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-14813 cve-icon
https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-14813.json cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-14813 cve-icon
History

Wed, 26 Aug 2026 15:45:00 +0000


Wed, 12 Aug 2026 12:30:00 +0000


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: 2026-08-26T12:04:51.440Z

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

Link: CVE-2025-14813

cve-icon Vulnrichment

Updated: 2026-08-26T12:04:51.440Z

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-08-26T13:17:14.700

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