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CVE-2025-45663

Estado: AnalizadaMedia (6.5)—

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

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Netsurf-browser — Netsurf

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-45663",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-03T21:01:02.591458Z"
        }
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 3.9
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  },
  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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      ]
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  ],
  "published": "2025-11-03T15:15:35.510",
  "references": [
    {
      "url": "https://github.com/Fysac/netsurf-disclosure/tree/main/CVE-2025-45663",
      "tags": [
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        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.netsurf-browser.org/",
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    {
      "lang": "en",
      "value": "An issue in NetSurf v3.11 causes the application to read uninitialized heap memory when creating a dom_event structure."
    }
  ],
  "lastModified": "2026-06-17T09:25:38.467",
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        {
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}