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).