github - ghsa-8m64-p66f-h4hv

GHSA-8M64-P66F-H4HV

Vulnerability from github – Published: 2025-11-03 15:30 – Updated: 2025-11-04 18:31

Details

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

Severity ?

6.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-45663"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-244"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-03T15:15:35Z",
    "severity": "MODERATE"
  },
  "details": "An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.",
  "id": "GHSA-8m64-p66f-h4hv",
  "modified": "2025-11-04T18:31:47Z",
  "published": "2025-11-03T15:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-45663"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663"
    },
    {
      "type": "WEB",
      "url": "https://www.netsurf-browser.org"
    },
    {
      "type": "WEB",
      "url": "http://netsurf.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-45663 (GCVE-0-2025-45663)

Vulnerability from cvelistv5 – Published: 2025-11-03 00:00 – Updated: 2025-11-04 16:51

Summary

An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure.

Severity ?

6.5 (Medium)


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

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/Fysac/netsurf-disclosure/tree/…
	https://www.netsurf-browser.org/

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-45663",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-03T21:01:02.591458Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-244",
                "description": "CWE-244 Improper Clearing of Heap Memory Before Release (\u0027Heap Inspection\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-03T21:01:31.854Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-04T16:51:18.960Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663"
        },
        {
          "url": "https://www.netsurf-browser.org/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-45663",
    "datePublished": "2025-11-03T00:00:00.000Z",
    "dateReserved": "2025-04-22T00:00:00.000Z",
    "dateUpdated": "2025-11-04T16:51:18.960Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-8M64-P66F-H4HV

CVE-2025-45663 (GCVE-0-2025-45663)

Tags

Sightings

Nomenclature