VULNERABILITY INTELLIGENCE

CVE-2017-1000158

CVSS score9.8 CRITICAL
EPSS probability7.94%
CISA KEVNot currently listed
Published2017-11-17
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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)

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references