github - ghsa-g6rx-6wfx-gj74

GHSA-G6RX-6WFX-GJ74

Vulnerability from github – Published: 2025-08-22 12:30 – Updated: 2025-08-22 20:30

Summary

Bouncy Castle for Java has Out-of-Bounds Write Vulnerability

Details

Out-of-bounds Write vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java bc-fips on All (API modules). This vulnerability is associated with program files org/bouncycastle/jcajce/provider/BaseCipher.

This issue affects Bouncy Castle for Java: from BC-FJA 2.1.0 through 2.1.0.

Severity ?

0.0 (None)


                  
                    CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/R:U/RE:M/U:Green

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.bouncycastle:bc-fips"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.1.0"
            },
            {
              "fixed": "2.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.1.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2025-9340"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-08-22T20:30:44Z",
    "nvd_published_at": "2025-08-22T10:15:33Z",
    "severity": "LOW"
  },
  "details": "Out-of-bounds Write vulnerability in Legion of the Bouncy Castle Inc. Bouncy Castle for Java bc-fips on All (API modules). This vulnerability is associated with program files org/bouncycastle/jcajce/provider/BaseCipher.\n\nThis issue affects Bouncy Castle for Java: from BC-FJA 2.1.0 through 2.1.0.",
  "id": "GHSA-g6rx-6wfx-gj74",
  "modified": "2025-08-22T20:30:44Z",
  "published": "2025-08-22T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-9340"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bcgit/bc-java"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902025%E2%80%909340"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/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:N/AU:X/R:U/V:X/RE:M/U:Green",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Bouncy Castle for Java has Out-of-Bounds Write Vulnerability"
}

CVE-2025-9340 (GCVE-0-2025-9340)

Vulnerability from cvelistv5 – Published: 2025-08-22 09:39 – Updated: 2025-08-22 10:37

Summary

Severity ?

0 (None)


                        
                          CVSS:4.0/AV:P/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/R:U/RE:M/U:Green

CWE

CWE-787 - Out-of-bounds Write

Assigner

bcorg

References

URL

Tags

https://github.com/bcgit/bc-java/wiki/CVE%E2%80%9…

Impacted products

	Vendor	Product	Version
	Legion of the Bouncy Castle Inc.	Bouncy Castle for Java	Affected: BC-FJA 2.1.0 , ≤ 2.1.0 (maven)

Show details on NVD website

JSON

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                "role": "CISA Coordinator",
                "timestamp": "2025-08-22T10:37:04.005071Z",
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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-G6RX-6WFX-GJ74

CVE-2025-9340 (GCVE-0-2025-9340)

Tags

Sightings

Nomenclature