{
  "id": "CVE-2007-4768",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2007-11-07T23:46:00.000",
  "lastModified": "2024-11-21T00:36:24.173",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de b\u00fafer basado en mont\u00edculo en la librer\u00eda Perl-Compatible Regular Expression (PCRE) anterior a 7.3 permite a atacantes locales o remotos (dependiendo del contexto) ejecutar c\u00f3digo de su elecci\u00f3n mediante una secuencia de caracteres Unicode unitarios en una clase character de un patr\u00f3n de expresi\u00f3n regular, lo cual est\u00e1 optimizado incorrectamente."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "configurations": [
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          "negate": false,
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