High severity8.1NVD Advisory· Published Jun 30, 2016· Updated Jun 17, 2026

CVE-2016-4472

Description

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Libexpat Project/Libexpat
cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
Range: <=2.1.1
McAfee/Policy Auditor
cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:*
Range: <6.5.1
Python (programming language)/Python
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
Range: >=2.7.0,<2.7.15
Canonical/Ubuntu Linux
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
Libexpat Project/Expat XML Parserllm-create
osv-coords43 versions
pkg:rpm/opensuse/expat&distro=openSUSE%20Tumbleweed pkg:rpm/suse/python3-base&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/python3-base&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/python3-base&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/python3-base&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/python3-base&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/python3-base&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208 pkg:rpm/suse/python3&distro=HPE%20Helion%20OpenStack%208 pkg:rpm/suse/python3&distro=SUSE%20Enterprise%20Storage%205 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Web%20and%20Scripting%2012 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCL pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSS pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4 pkg:rpm/suse/python3&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5 pkg:rpm/suse/python3&distro=SUSE%20OpenStack%20Cloud%207 pkg:rpm/suse/python3&distro=SUSE%20OpenStack%20Cloud%208 pkg:rpm/suse/python3&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
< 2.2.0-3.1+ 42 more
- (no CPE)range: < 2.2.0-3.1
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.2
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3
- (no CPE)range: < 3.4.10-25.39.3

Patches

Vulnerability mechanics

References

bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bdenvdPatchThird Party Advisory
www.securityfocus.com/bid/91528nvdThird Party AdvisoryVDB Entry
www.ubuntu.com/usn/USN-3013-1nvdThird Party Advisory
kc.mcafee.com/corporate/indexnvdThird Party Advisory
security.gentoo.org/glsa/201701-21nvdThird Party Advisory
www.tenable.com/security/tns-2016-20nvdThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.526
epss	0.010
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000