CVE-2005-4134

Estado: ModificadaMedia (5)—
Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.
CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Puntuación base: 5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 13%
Percentil entre todas las CVEs puntuadas: 96
Fecha de la puntuación: 6/10/2026
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 (4)

K-meleon Project — K-meleon Mozilla — Firefox Mozilla — Mozilla Suite Netscape — Navigator
CWE

NVD-CWE-Other
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2005-4134",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2005-12-09T15:03:00.000",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-Other"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup.  NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox.  Also, it has been independently reported that Netscape 8.1 does not have this issue."
    }
  ],
  "lastModified": "2026-06-16T22:18:13.933",
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              "vulnerable": true,
              "matchCriteriaId": "EF9D2443-9389-42B0-BF93-3ADC1B7325EC",
              "versionEndIncluding": "1.7.12"
            },
            {
              "criteria": "cpe:2.3:a:netscape:navigator:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F337E57D-2918-4141-8842-A9D58DB922E5",
              "versionEndIncluding": "8.0.40"
            },
            {
              "criteria": "cpe:2.3:a:netscape:navigator:7.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4C1BC491-9C5A-46D5-B6C3-5A8E5A1A0AF3"
            },
            {
              "criteria": "cpe:2.3:a:netscape:navigator:7.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "842CBD30-B4BA-4FCF-9152-9DBEBE59857C"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "evaluatorSolution": "This issue was fixed in K-Meleon version 0.9.12."
}