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CVE-2010-1987

Estado: ModificadaMedia (5)—

Mozilla Firefox v3.6.3 en Windows XP SP3 permite a atacantes remotos provocar una denegación de servicio (consumo de memoria, lectura fuera de rango y caída de la aplicación) a través de código JavaScript que añade cadenas largas de caracteres al contenido de un elemento P y realiza operaciones de concatenación de cadenas y subcadenas relacionado con la clase DoubleWideCharMappedString class en USP10.dll y en la función gfxWindowsFontGroup::GetUnderlineOffset de xul.dll, diferente a la vulnerabilidad CVE-2009-1571.

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)

Mozilla — Firefox

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2010-1987",
  "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": "2010-05-20T17:30:01.520",
  "references": [
    {
      "url": "http://osvdb.org/64790",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.exploit-db.com/exploits/12678",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/511329/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.x90c.org/advisories/firefox_3.6.3_crash_advisory.txt",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/58762",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12013",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/64790",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.exploit-db.com/exploits/12678",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/511329/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.x90c.org/advisories/firefox_3.6.3_crash_advisory.txt",
      "tags": [
        "Exploit"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/58762",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12013",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox 3.6.3 on Windows XP SP3 allows remote attackers to cause a denial of service (memory consumption, out-of-bounds read, and application crash) via JavaScript code that appends long strings to the content of a P element, and performs certain other string concatenation and substring operations, related to the DoubleWideCharMappedString class in USP10.dll and the gfxWindowsFontGroup::GetUnderlineOffset function in xul.dll, a different vulnerability than CVE-2009-1571."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox v3.6.3 en Windows XP SP3 permite a atacantes remotos provocar una denegación de servicio (consumo de memoria, lectura fuera de rango y caída de la aplicación) a través de código JavaScript que añade cadenas largas de caracteres  al contenido de un elemento P y realiza operaciones de concatenación de cadenas y subcadenas relacionado con la clase DoubleWideCharMappedString class en USP10.dll y en la función gfxWindowsFontGroup::GetUnderlineOffset de xul.dll, diferente a la vulnerabilidad CVE-2009-1571."
    }
  ],
  "lastModified": "2026-06-16T23:19:43.220",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AFD775DF-277E-4D5B-B980-B8E6E782467D"
            }
          ],
          "operator": "OR"
        },
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          "negate": false,
          "cpeMatch": [
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            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}