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CVE-2016-5636

Published: 2 September 2016

Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.

Notes

AuthorNote
sbeattie
issue is fixed for xenial/python3.5 and xenial/python2.7
for packages in xenial-updates, but not xenial-security
may also need https://hg.python.org/cpython/rev/2edbdb79cd6d
(see comment on python bug above) for pre-2.7.8 code and possibly 3.x
code.
Priority

Medium

CVSS 3 base score: 9.8

Status

Package Release Status
python2.7
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(2.7.12-3)
disco Not vulnerable
(2.7.12-3)
eoan Not vulnerable
(2.7.12-3)
focal Not vulnerable
(2.7.12-3)
groovy Not vulnerable
(2.7.12-3)
hirsute Not vulnerable
(2.7.12-3)
impish Not vulnerable
(2.7.12-3)
jammy Not vulnerable
(2.7.12-3)
precise
Released (2.7.3-0ubuntu3.9)
trusty
Released (2.7.6-8ubuntu0.3)
upstream
Released (2.7.12~rc1-1)
wily Ignored
(reached end-of-life)
xenial
Released (2.7.12-1ubuntu0~16.04.1)
yakkety Not vulnerable
(2.7.12-3)
zesty Not vulnerable
(2.7.12-3)
Patches:
upstream: https://hg.python.org/cpython/rev/985fc64c60d6
upstream: https://hg.python.org/cpython/rev/2edbdb79cd6d



python3.2
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist
(precise was released [3.2.3-0ubuntu3.8])
trusty Does not exist

upstream Needs triage

wily Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

python3.4
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty
Released (3.4.3-1ubuntu1~14.04.5)
upstream Needs triage

wily Ignored
(reached end-of-life)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

Patches:


upstream: https://hg.python.org/cpython/rev/01ddd608b85c
upstream: https://hg.python.org/cpython/rev/8b58c9328f5c

python3.5
Launchpad, Ubuntu, Debian
bionic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

precise Does not exist

trusty Needs triage

upstream
Released (3.5.2~rc1-1)
wily Ignored
(reached end-of-life)
xenial
Released (3.5.2-2ubuntu0~16.04.1)
yakkety Not vulnerable
(3.5.2-1)
zesty Not vulnerable
(3.5.2-1)
Patches:




upstream: https://hg.python.org/cpython/rev/10dad6da1b28