Critical severity9.8NVD Advisory· Published Sep 2, 2016· Updated Jun 17, 2026
CVE-2016-5636
CVE-2016-5636
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
100cpe:2.3:a:python:python:*:*:*:*:*:*:*:*+ 30 more
- cpe:2.3:a:python:python:*:*:*:*:*:*:*:*range: <=2.7.11
- cpe:2.3:a:python:python:3.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:python:python:3.5.1:*:*:*:*:*:*:*
- (no CPE)range: <2.7.12, <3.4.5, <3.5.2
- osv-coords69 versionspkg:rpm/opensuse/python36&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python3-base&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/python3&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/python-base&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-doc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/python-base&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%202%2015%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/python&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/python-doc&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4
< 3.6.15-1.1+ 68 more
- (no CPE)range: < 3.6.15-1.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 3.6.10-lp151.6.7.1
- (no CPE)range: < 2.7.12-1.4
- (no CPE)range: < 2.7.12-1.5
- (no CPE)range: < 2.7.12-1.3
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.6.10-3.42.2
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 3.4.5-17.1
- (no CPE)range: < 3.4.5-19.1
- (no CPE)range: < 2.7.9-24.2
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.7.17-7.32.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.7.9-24.2
- (no CPE)range: < 2.7.9-16.7.2
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.7.9-24.2
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.7.9-24.2
- (no CPE)range: < 2.7.9-24.2
- (no CPE)range: < 2.7.9-24.1
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.7.17-7.32.2
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.7.9-24.1
- (no CPE)range: < 2.7.9-16.7.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.7.9-24.1
- (no CPE)range: < 2.6.9-40.15.1
- (no CPE)range: < 2.6-8.40.15.1
- (no CPE)range: < 2.6-8.40.15.1
- (no CPE)range: < 2.6-8.40.15.1
- (no CPE)range: < 2.6-8.40.15.1
- (no CPE)range: < 2.7.9-24.4
- (no CPE)range: < 2.7.9-16.7.2
- (no CPE)range: < 2.6-8.40.15.1
- (no CPE)range: < 2.7.9-24.4
- (no CPE)range: < 2.6-8.40.15.1
Patches
Vulnerability mechanics
References
15- bugs.python.org/issue26171nvdIssue TrackingPatch
- www.openwall.com/lists/oss-security/2016/06/15/15nvdMailing List
- www.openwall.com/lists/oss-security/2016/06/16/1nvdMailing List
- docs.python.org/3.4/whatsnew/changelog.htmlnvdRelease Notes
- docs.python.org/3.5/whatsnew/changelog.htmlnvdRelease Notes
- hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWSnvdRelease Notes
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlnvd
- rhn.redhat.com/errata/RHSA-2016-2586.htmlnvd
- www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlnvd
- www.securityfocus.com/bid/91247nvd
- www.securitytracker.com/id/1038138nvd
- www.splunk.com/view/SP-CAAAPSVnvd
- www.splunk.com/view/SP-CAAAPUEnvd
- lists.debian.org/debian-lts-announce/2019/02/msg00011.htmlnvd
- security.gentoo.org/glsa/201701-18nvd
News mentions
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