CVE-2016-4447

Summary

CVECVE-2016-4447
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-06-09 16:59:05 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-119 | n/a


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Iphone Os All All All All
Application Apple Itunes 12.4.1 All All All
Operating System Apple Mac Os X All All All All
Operating System Apple Tvos All All All All
Operating System Apple Watchos All All All All
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Hp Icewall Federation Agent 3.0 All All All
Application Mcafee Web Gateway All All All All
Application Mcafee Web Gateway All All All All
Operating System Microsoft Windows All All All All
Operating System Oracle Vm Server 3.3 All All All
Operating System Oracle Vm Server 3.4 All All All
Application Xmlsoft Libxml2 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
McAfee Security Bulletin: McAfee Web Gateway update fixes several vulnerabilities related to xml parsing af854a3a-2127-422b-91ae-364da2661108 kc.mcafee.com Patch, Third Party Advisory
Releases af854a3a-2127-422b-91ae-364da2661108 xmlsoft.org Release Notes, Vendor Advisory
USN-2994-1: libxml2 vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Libxml2 'xmlParseName' CVE-2016-4447 Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[R7] LCE 4.8.1 Fixes Multiple Vulnerabilities - Security Advisory | Tenable™ af854a3a-2127-422b-91ae-364da2661108 www.tenable.com Third Party Advisory
Heap-based buffer-underreads due to xmlParseName (00906759) · Commits · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 git.gnome.org Patch, Third Party Advisory
APPLE-SA-2016-07-18-2 iOS 9.3.3 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Third Party Advisory
About the security content of iTunes 12.4.2 for Windows - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
About the security content of tvOS 9.2.2 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
About the security content of iOS 9.3.3 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
The Slackware Linux Project: Slackware Security Advisories af854a3a-2127-422b-91ae-364da2661108 www.slackware.com Exploit, Mailing List, Third Party Advisory
APPLE-SA-2016-07-18-4 tvOS 9.2.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Not Applicable
About the security content of iCloud for Windows 5.2.1 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Oracle Linux Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Oracle Solaris Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
APPLE-SA-2016-07-18-6 iTunes 12.4.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Third Party Advisory
APPLE-SA-2016-07-18-3 watchOS 2.2.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-3593-1 libxml2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - 3 libxml2 issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
About the security content of watchOS 2.2.2 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
About the security content of OS X El Capitan v10.11.6 and Security Update 2016-004 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Apple macOS/OS X Multiple Flaws Let Remote and Local Users Deny Service, Obtain Potentially Sensitive Information, and Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com Third Party Advisory
APPLE-SA-2016-07-18-1 OS X El Capitan v10.11.6 and Security Update 2016-004 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com Mailing List, Third Party Advisory
Red Hat Customer Portal MITRE access.redhat.com
CVE-2016-4447 - Red Hat Customer Portal MITRE access.redhat.com
Bug 1338686 – CVE-2016-4447 libxml2: Heap-based buffer underreads due to xmlParseName MITRE bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report