CVE-2017-1000158

Critical

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)

SeverityCritical

CVSS9.8

Exploit probability95. percentile7.9%

Product

Python

PublishedNov 17, 2017

First seenNov 17, 2017

How to fix

Update

python python2.7.15, 3.4.8, 3.5.5 or later

Vendor advisories

debian.org/security/2018/dsa-4307
security.gentoo.org/glsa/201805-02

Affected products

Product	Affected versions	Fixed in
python python	v < 2.7.15, 3.4.0 ≤ v < 3.4.8, 3.5.0 ≤ v < 3.5.5	2.7.15, 3.4.8, 3.5.5
debian debian_linux	7.0, 8.0, 9.0	—

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