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CVE-2009-3627

Estado: ModificadaMedia (4.3)—

The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character.

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)

Derrick Oswald — Html-parser

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2009-3627",
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        "source": "nvd@nist.gov",
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          "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": false
      }
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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  "published": "2009-10-29T14:30:01.203",
  "references": [
    {
      "url": "http://github.com/gisle/html-parser/commit/b9aae1e43eb2c8e989510187cff0ba3e996f9a4c",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character."
    },
    {
      "lang": "es",
      "value": "La función decode_entities en util.c en HTML-Parser anteriores a v3.63 permite a atacantes dependientes de contexto causar una denegación de servicio (bucle infinito) a través de una referencia a un carácter numérico SGML, lo que inicia la generación de un carácter UTF-8 invalido."
    }
  ],
  "lastModified": "2026-06-16T23:12:02.993",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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  ],
  "vendorComments": [
    {
      "comment": "This issue does not affect Red Hat Enterprise Linux 3, 4, or 5.\n\nThis flaw can only lead to a denial of service if perl-HTML-Parser is used in conjunction with perl 5.10.1. If perl-HTML-Parser is used with earlier versions of perl, this flaw does not lead to a denial of service.",
      "lastModified": "2009-11-19T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}