CVE-2016-4449

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Summary

CVECVE-2016-4449
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-06-09 16:59:07 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionXML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

Risk And Classification

Primary CVSS: v3.0 7.1 HIGH from [email protected]

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

Problem Types: CWE-20 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.1HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
2.0[email protected]Primary5.8AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
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 8.0 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
Releases af854a3a-2127-422b-91ae-364da2661108 xmlsoft.org
USN-2994-1: libxml2 vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[R7] LCE 4.8.1 Fixes Multiple Vulnerabilities - Security Advisory | Tenable™ af854a3a-2127-422b-91ae-364da2661108 www.tenable.com
APPLE-SA-2016-07-18-2 iOS 9.3.3 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
About the security content of iTunes 12.4.2 for Windows - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
About the security content of tvOS 9.2.2 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com
About the security content of iOS 9.3.3 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com
The Slackware Linux Project: Slackware Security Advisories af854a3a-2127-422b-91ae-364da2661108 www.slackware.com
APPLE-SA-2016-07-18-4 tvOS 9.2.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
About the security content of iCloud for Windows 5.2.1 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com
Libxml2 'xmlLoadEntityContent()' Function CVE-2016-4449 Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
JVNDB-2017-000066 - JVN iPedia af854a3a-2127-422b-91ae-364da2661108 jvndb.jvn.jp
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Oracle Critical Patch Update - January 2018 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Fix inappropriate fetch of entities content (b1d34de4) · Commits · GNOME / libxml2 · GitLab af854a3a-2127-422b-91ae-364da2661108 git.gnome.org Vendor Advisory
Oracle Solaris Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
APPLE-SA-2016-07-18-6 iTunes 12.4.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
APPLE-SA-2016-07-18-3 watchOS 2.2.2 af854a3a-2127-422b-91ae-364da2661108 lists.apple.com
JVN#17535578: Multiple vulnerabilities in Cybozu Office af854a3a-2127-422b-91ae-364da2661108 jvn.jp
Debian -- Security Information -- DSA-3593-1 libxml2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
oss-security - 3 libxml2 issues af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
不具合情報公開サイト af854a3a-2127-422b-91ae-364da2661108 support.cybozu.com
About the security content of watchOS 2.2.2 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com
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
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
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
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
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