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CVE-2017-1000158

Status: ModifiedCritical (9.8)—

CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Debian — Debian LinuxPython — Python

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-1000158",
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          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
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        "obtainAllPrivilege": false,
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  "published": "2017-11-17T05:29:00.280",
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          "value": "CWE-190"
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      "value": "CPython (aka Python) up to 2.7.13 is vulnerable to an integer overflow in the PyString_DecodeEscape function in stringobject.c, resulting in heap-based buffer overflow (and possible arbitrary code execution)"
    },
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      "lang": "es",
      "value": "CPython (también conocido como Python) hasta la versión 2.7.13 es vulnerable a un desbordamiento de enteros en la función PyString_DecodeEscape en stringobject.c, lo que resulta en un desbordamiento de búfer basado en memoria dinámica (heap) y, posiblemente, la ejecución de código arbitrario."
    }
  ],
  "lastModified": "2026-06-17T00:58:50.643",
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}