Vulnerability-Lookup

GHSA-574F-3G2M-X479

Vulnerability from github – Published: 2026-04-17 18:31 – Updated: 2026-04-17 18:31

Details

GOSTCTR implementation unable to process more than 255 blocks correctly.

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

Severity ?

9.3 (Critical)


                  
                    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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-14813"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-15T10:16:38Z",
    "severity": "CRITICAL"
  },
  "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.\n\nGOSTCTR implementation unable to process more than 255 blocks correctly.\n\n\nThis issue affects BC-JAVA: from 1.59 before 1.84.",
  "id": "GHSA-574f-3g2m-x479",
  "modified": "2026-04-17T18:31:50Z",
  "published": "2026-04-17T18:31:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14813"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/commit/701686cb0184cd9ae103c801b3581fdf95c6d4f3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/commit/b42574345414e4b7c8051b16fa1fafe01c29871f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%9014813"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:M/U:Red",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-14813 (GCVE-0-2025-14813)

Vulnerability from cvelistv5 – Published: 2026-04-15 08:56 – Updated: 2026-04-15 13:19

Title

GOSTCTR implementation unable to process more than 255 blocks correctly

Summary

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.

Severity ?

9.3 (Critical)


                        
                          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

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

bcorg

References

URL

Tags

	https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9…	vendor-advisory
	https://github.com/bcgit/bc-java/commit/b42574345…	patch
	https://github.com/bcgit/bc-java/commit/701686cb0…	patch

Impacted products

	Vendor	Product	Version
	Legion of the Bouncy Castle Inc.	BC-JAVA	Affected: 1.59 , < 1.84 (maven)

Credits

XlabAI Team of Tencent Xuanwu Lab Atuin Automated Vulnerability Discovery Engine Lili Tang, Guannan Wang, and Guancheng Li

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-14813",
                "options": [
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                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-15T13:19:43.094033Z",
                "version": "2.0.3"
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    "cna": {
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          "product": "BC-JAVA",
          "programFiles": [
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          "vendor": "Legion of the Bouncy Castle Inc.",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-574F-3G2M-X479

CVE-2025-14813 (GCVE-0-2025-14813)

Tags

Sightings

Nomenclature