CVE-2016-3705

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Summary

CVECVE-2016-3705
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-05-17 14:08:04 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe (1) xmlParserEntityCheck and (2) xmlParseAttValueComplex functions in parser.c in libxml2 2.9.3 do not properly keep track of the recursion depth, which allows context-dependent attackers to cause a denial of service (stack consumption and application crash) via a crafted XML document containing a large number of nested entity references.

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-20 | 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 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 Hp Icewall Federation Agent 3.0 All All All
Application Hp Icewall File Manager 3.0 All All All
Operating System Opensuse Leap 42.1 All All All
Application Xmlsoft Libxml2 2.9.3 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
libxml2 CVE-2016-3705 Stack Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
USN-2994-1: libxml2 vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
openSUSE-SU-2016:1298-1: moderate: Security update for libxml2 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[R7] LCE 4.8.1 Fixes Multiple Vulnerabilities - Security Advisory | Tenable™ af854a3a-2127-422b-91ae-364da2661108 www.tenable.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
Full Disclosure: CVE-2016-3627 CVE-2016-3705: libxml2: stack overflow in xml validator (parser) af854a3a-2127-422b-91ae-364da2661108 seclists.org
Oracle Linux Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
Bug 765207 – Stack exhaustion parsing xml in parser af854a3a-2127-422b-91ae-364da2661108 bugzilla.gnome.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
Oracle Solaris Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
libxml2: Multiple vulnerabilities (GLSA 201701-37) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
openSUSE-SU-2016:1446-1: moderate: Security update for libxml2 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Debian -- Security Information -- DSA-3593-1 libxml2 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Document Display | HPE Support Center af854a3a-2127-422b-91ae-364da2661108 h20566.www2.hpe.com
Red Hat Customer Portal MITRE access.redhat.com
CVE-2016-3705 - Red Hat Customer Portal MITRE access.redhat.com
1332443 – (CVE-2016-3705) CVE-2016-3705 libxml2: stack overflow before detecting invalid XML file MITRE bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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