github - ghsa-q7gx-445j-xwq8

GHSA-Q7GX-445J-XWQ8

Vulnerability from github – Published: 2025-09-08 15:37 – Updated: 2025-11-05 00:31

Details

Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Severity ?

5.6 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-40929"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-122"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-08T15:15:35Z",
    "severity": "MODERATE"
  },
  "details": "Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact",
  "id": "GHSA-q7gx-445j-xwq8",
  "modified": "2025-11-05T00:31:26Z",
  "published": "2025-09-08T15:37:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-40929"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patch"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00034.html"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.39/source/XS.xs#L713"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/09/08/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-40929 (GCVE-0-2025-40929)

Vulnerability from cvelistv5 – Published: 2025-09-08 15:08 – Updated: 2025-11-04 21:10

Summary

Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

Severity ?

5.6 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

CPANSec

References

URL

Tags

	https://metacpan.org/release/RURBAN/Cpanel-JSON-X…	related
	https://metacpan.org/release/RURBAN/Cpanel-JSON-X…	release-notes
	https://github.com/rurban/Cpanel-JSON-XS/commit/3…	patch

Impacted products

	Vendor	Product	Version
	RURBAN	Cpanel::JSON::XS	Affected: 0 , < 4.40 (custom)

Credits

Michael Hudak of rasotec

Show details on NVD website

JSON

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            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.6,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-40929",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-08T19:25:39.696505Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-09-08T19:25:59.188Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-04T21:10:23.342Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/09/msg00034.html"
          },
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/09/08/1"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "Cpanel-JSON-XS",
          "product": "Cpanel::JSON::XS",
          "programFiles": [
            "XS.xs"
          ],
          "repo": "https://github.com/rurban/Cpanel-JSON-XS",
          "vendor": "RURBAN",
          "versions": [
            {
              "lessThan": "4.40",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
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        }
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        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
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      "references": [
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        },
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          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/RURBAN/Cpanel-JSON-XS-4.40/changes"
        },
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          "url": "https://github.com/rurban/Cpanel-JSON-XS/commit/378236219eaa35742c3962ecbdee364903b0a1f2.patch"
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        "discovery": "UNKNOWN"
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      "title": "Cpanel::JSON::XS before version 4.40 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact",
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  "cveMetadata": {
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    "datePublished": "2025-09-08T15:08:52.327Z",
    "dateReserved": "2025-04-16T09:05:34.363Z",
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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-Q7GX-445J-XWQ8

CVE-2025-40929 (GCVE-0-2025-40929)

Tags

Sightings

Nomenclature