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CVE-2009-4134

Estado: ModificadaMedia (5)—

Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference.

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)

Python — Python

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2009-4134",
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          "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
      }
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  "published": "2010-05-27T19:30:01.123",
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          "lang": "en",
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    {
      "lang": "en",
      "value": "Buffer underflow in the rgbimg module in Python 2.5 allows remote attackers to cause a denial of service (application crash) via a large ZSIZE value in a black-and-white (aka B/W) RGB image that triggers an invalid pointer dereference."
    },
    {
      "lang": "es",
      "value": "Desbordamiento inferior de búfer en el módulo rgbimg en Python v2.5 permite a atacantes remotos provocar una denegación de servicio  (caída de aplicación) a través de un valor ZSIZE grande en una imagen RGB blanco-y-negro (también conocido como B/W) que lanza una desreferencia a un puntero no válido."
    }
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  "lastModified": "2026-06-16T23:13:06.020",
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