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CVE-2008-1887

Estado: ModificadaAlta (9.3)—

Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less memory than expected when assert() is disabled and triggers a buffer overflow.

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 (3)

Canonical — Ubuntu LinuxDebian — Debian LinuxPython — Python

CWE

Referencias

JSON original (NVD)

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          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-120"
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      "lang": "en",
      "value": "Python 2.5.2 and earlier allows context-dependent attackers to execute arbitrary code via multiple vectors that cause a negative size value to be provided to the PyString_FromStringAndSize function, which allocates less memory than expected when assert() is disabled and triggers a buffer overflow."
    },
    {
      "lang": "es",
      "value": "Python versión 2.5.2 y anteriores, permite a los atacantes dependiendo del contexto ejecutar código arbitrario por medio de varios vectores que causan que se proporcione un valor de tamaño negativo a la función PyString_FromStringAndSize, que asigna menos memoria de la esperada cuando assert() está deshabilitado y desencadena un desbordamiento de búfer."
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  "lastModified": "2026-06-16T22:52:41.457",
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