CVE-2017-1000158 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-1000158): 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)
Refer to Bug 635944 for stabilization
This issue was resolved and addressed in GLSA 201805-02 at https://security.gentoo.org/glsa/201805-02 by GLSA coordinator Aaron Bauman (b-man).