CVE-2016-4447

Name: CVE-2016-4447
Creator: NVD / NIST
Published: 2016-06-09T16:59:05.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 13.62%

Last modified Jun 17, 2026

CVE-2016-4447 is a vulnerability of currently unknown severity. The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.. EPSS estimates a 13.62% chance of exploitation in the next 30 days.

Description

The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.

Metrics

EPSS Probability

13.62%

96.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Hp	Icewall Federation Agent	3.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Canonical	Ubuntu Linux	16.04
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Oracle	Vm Server	3.3
Oracle	Vm Server	3.4
Apple	Itunes	12.4.1
Apple	Iphone Os	<= 9.3.2
Apple	Mac Os X	<= 10.11.5
Apple	Tvos	<= 9.2.1
Apple	Watchos	<= 2.2.1
Xmlsoft	Libxml2	<= 2.9.3
Mcafee	Web Gateway	>= 7.5.0.0, <= 7.5.2.10
Mcafee	Web Gateway	>= 7.6.0.0, <= 7.6.2.3

References

http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Not Applicable
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/25/2Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/bid/90864Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036348Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722Exploit, Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
http://xmlsoft.org/news.htmlRelease Notes, Vendor Advisory
https://access.redhat.com/errata/RHSA-2016:1292Third Party Advisory
https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83Patch, Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170Patch, Third Party Advisory
https://support.apple.com/HT206899Third Party Advisory
https://support.apple.com/HT206901Third Party Advisory
https://support.apple.com/HT206902Third Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://support.apple.com/HT206904Third Party Advisory
https://support.apple.com/HT206905Third Party Advisory
https://www.debian.org/security/2016/dsa-3593Third Party Advisory
https://www.tenable.com/security/tns-2016-18Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.htmlMailing List, Third Party Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.htmlMailing List, Not Applicable
http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/25/2Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlThird Party Advisory
http://www.securityfocus.com/bid/90864Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036348Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722Exploit, Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2994-1Third Party Advisory
http://xmlsoft.org/news.htmlRelease Notes, Vendor Advisory
https://access.redhat.com/errata/RHSA-2016:1292Third Party Advisory
https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83Patch, Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10170Patch, Third Party Advisory
https://support.apple.com/HT206899Third Party Advisory
https://support.apple.com/HT206901Third Party Advisory
https://support.apple.com/HT206902Third Party Advisory
https://support.apple.com/HT206903Third Party Advisory
https://support.apple.com/HT206904Third Party Advisory
https://support.apple.com/HT206905Third Party Advisory
https://www.debian.org/security/2016/dsa-3593Third Party Advisory
https://www.tenable.com/security/tns-2016-18Third Party Advisory

Timeline

Published: Jun 9, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4447?

How severe is CVE-2016-4447?

Severity scoring for CVE-2016-4447 is pending analysis. The EPSS model estimates a 13.62% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4447?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4447?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST