High severity8.1NVD Advisory· Published Jun 30, 2016· Updated May 6, 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.

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 (company)/Ubuntu Linux
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

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	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000