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CVE-2009-1234

Estado: ModificadaMedia (4.3)—💥 Exploit

Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags. NOTE: it was later reported that 9.52 is also affected.

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).

💥 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.

Tecnologías afectadas (1)

Opera — Opera Browser

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1234",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-04-02T17:30:00.313",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://websecurity.com.ua/3216/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/34298",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49522",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5432",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.exploit-db.com/exploits/8320",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://websecurity.com.ua/3216/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/34298",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49522",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5432",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.exploit-db.com/exploits/8320",
      "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": "Opera 9.64 allows remote attackers to cause a denial of service (application crash) via an XML document containing a long series of start-tags with no corresponding end-tags.  NOTE: it was later reported that 9.52 is also affected."
    },
    {
      "lang": "es",
      "value": "Opera versión 9.64, permite a los atacantes remotos causar una denegación de servicio (bloqueo de aplicación) por medio de un documento XML que contiene una serie larga de etiquetas de inicio sin las etiquetas finales correspondientes. NOTA: más tarde se informó que la versión 9.52 también está afectada."
    }
  ],
  "lastModified": "2026-06-16T23:06:49.453",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opera:opera_browser:9.52:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F1B7AA6F-9918-4356-894C-72833B791201"
            },
            {
              "criteria": "cpe:2.3:a:opera:opera_browser:9.64:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "14200693-2B22-42BF-9917-FF4B541D9188"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}