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CVE-2006-5465

Estado: ModificadaAlta (7.5)—
Gravedad7.5Alta · CVSS 2.0
Probabilidad de explotación10 %mayor que el 96 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Desbordamiento de búfer en PHP anterior a 5.2.0 permite a un atacante remoto ejecutar código de su elección mediante entradas UTF-8 manipuladas a las funciones (1) htmlentities o (2) htmlspecialchars.

CVSS

Puntuación base
7.5
Versión
2.0
Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
10 %
Percentil entre todas las CVEs puntuadas
96
Fecha de la puntuación
22/10/2026

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).

Tecnologías afectadas (1)

PHP — PHP

CWE

Referencias

Mostrar las 96 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2006-5465",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  "published": "2006-11-04T00:07:00.000",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-Other"
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      "lang": "en",
      "value": "Buffer overflow in PHP before 5.2.0 allows remote attackers to execute arbitrary code via crafted UTF-8 inputs to the (1) htmlentities or (2) htmlspecialchars functions."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en PHP anterior a 5.2.0 permite a un atacante remoto ejecutar código de su elección mediante entradas UTF-8 manipuladas a las funciones (1) htmlentities o (2) htmlspecialchars."
    }
  ],
  "lastModified": "2026-06-16T22:31:15.650",
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    }
  ],
  "vendorComments": [
    {
      "comment": "Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.",
      "lastModified": "2007-03-14T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}