« Volver al listado

CVE-2009-2421

Estado: ModificadaMedia (5)—

El método CFCharacterSetInitInlineBuffer en CoreFoundation.dll en Apple Safari v3.2.3 permite a atacantes remotos causar una denegación de servicio (desreferencia a puntero nulo y cuelgue de la aplicación) o posiblemente ejecutar código a su elección a través de un "caracter bit-alto" en un fragmento de una URL para un protocolo sin especificar.

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)

Apple — Safari

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-2421",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "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": "2009-07-09T16:30:00.937",
  "references": [
    {
      "url": "http://www.securityfocus.com/archive/1/504479/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/35481",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/504479/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35481",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The CFCharacterSetInitInlineBuffer method in CoreFoundation.dll in Apple Safari 3.2.3 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via a \"high-bit character\" in a URL fragment for an unspecified protocol."
    },
    {
      "lang": "es",
      "value": "El método CFCharacterSetInitInlineBuffer en CoreFoundation.dll en Apple Safari v3.2.3 permite a atacantes remotos causar una denegación de servicio (desreferencia a puntero nulo y cuelgue de la aplicación) o posiblemente ejecutar código a su elección a través de un \"caracter bit-alto\" en un fragmento de una URL para un protocolo sin especificar."
    }
  ],
  "lastModified": "2026-06-16T23:09:24.990",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:3.2.3:-:mac:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8CFE8E7-B970-4B86-99E9-AC3F8626737C"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:3.2.3:-:windows:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DBFFA64F-F45E-4306-9B47-959DDA1780CD"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}