CVE-2009-1493

Estado: ModificadaMedia (6.8)—Exploit

Gravedad6.8Media · CVSS 2.0

Probabilidad de explotación22 %mayor que el 98 % de las CVE

Explotación activaNono figura en el catálogo de CISA

Exploit públicoDisponiblePublicado en Exploit-DB

El método spell customDictionaryOpen en la API de JavaScript en Adobe Reader v8.1.4 y v9.1 de Linux permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria) o ejecutar código arbitrario a través de un archivo PDF que activa una llamada a este método con una larga cadena de en el segundo argumento.

CVSS

Puntuación base: 6.8
Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 22 %
Percentil entre todas las CVEs puntuadas: 98
Fecha de la puntuación: 20/10/2026

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).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Publicado en Exploit-DB · Adobe 8.1.4/9.1 - 'customDictionaryOpen()' Code Execution (29/4/2009)

Tecnologías afectadas (1)

Adobe — Reader

CWE

CWE-399

Referencias

Mostrar las 52 referencias

JSON original (NVD)

Mostrar

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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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          "versions": [
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              "version": "n/a"
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  "published": "2009-04-30T20:30:00.687",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The customDictionaryOpen spell method in the JavaScript API in Adobe Reader 9.1, 8.1.4, 7.1.1, and earlier on Linux and UNIX allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a PDF file that triggers a call to this method with a long string in the second argument."
    },
    {
      "lang": "es",
      "value": "El método spell customDictionaryOpen en la API de JavaScript en Adobe Reader v8.1.4 y v9.1 de Linux permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria) o ejecutar código arbitrario a través de un archivo PDF que activa una llamada a este método con una larga cadena de en el segundo argumento."
    }
  ],
  "lastModified": "2026-06-16T23:07:23.167",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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      "operator": "AND"
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  "sourceIdentifier": "cve@mitre.org"
}