libxml2 Hash Collision Denial Of Service Vulnerability

BID:52107

Info

libxml2 Hash Collision Denial Of Service Vulnerability

Bugtraq ID: 52107
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2012-0841
Remote: Yes
Local: No
Published: Feb 21 2012 12:00AM
Updated: May 07 2015 05:13PM
Credit: Juraj Somorovsky
Vulnerable: XMLSoft Libxml2 2.7.8
XMLSoft Libxml2 2.7.7
XMLSoft Libxml2 2.7.6
XMLSoft Libxml2 2.7.5
XMLSoft Libxml2 2.7.4
XMLSoft Libxml2 2.7.3
XMLSoft Libxml2 2.7.2
XMLSoft Libxml2 2.7.1
+ Red Hat Fedora 9
 + Red Hat Fedora 8
 XMLSoft Libxml2 2.7
XMLSoft Libxml2 2.6.32
XMLSoft Libxml2 2.6.31
XMLSoft Libxml2 2.6.30
XMLSoft Libxml2 2.6.26
XMLSoft Libxml2 2.6.22
XMLSoft Libxml2 2.6.20
XMLSoft Libxml2 2.6.18
XMLSoft Libxml2 2.6.17
XMLSoft Libxml2 2.6.16
XMLSoft Libxml2 2.6.15
XMLSoft Libxml2 2.6.14
XMLSoft Libxml2 2.6.14
XMLSoft Libxml2 2.6.13
XMLSoft Libxml2 2.6.13
XMLSoft Libxml2 2.6.12
XMLSoft Libxml2 2.6.12
XMLSoft Libxml2 2.6.11
XMLSoft Libxml2 2.6.11
XMLSoft Libxml2 2.6.9
XMLSoft Libxml2 2.6.8
XMLSoft Libxml2 2.6.7
XMLSoft Libxml2 2.6.6
XMLSoft Libxml2 2.6.5
XMLSoft Libxml2 2.6.4
XMLSoft Libxml2 2.6.3
XMLSoft Libxml2 2.6.2
XMLSoft Libxml2 2.6.1
XMLSoft Libxml2 2.6 .0
XMLSoft Libxml2 2.5.11
XMLSoft Libxml2 2.5.11
XMLSoft Libxml2 2.5.10
XMLSoft Libxml2 2.5.10
XMLSoft Libxml2 2.5.8
XMLSoft Libxml2 2.5.8
XMLSoft Libxml2 2.5.4
XMLSoft Libxml2 2.5.4
+ Mandriva Linux Mandrake 9.1 ppc
 + Mandriva Linux Mandrake 9.1
XMLSoft Libxml2 2.5.1
XMLSoft Libxml2 2.4.30
XMLSoft Libxml2 2.4.29
XMLSoft Libxml2 2.4.28
XMLSoft Libxml2 2.4.27
XMLSoft Libxml2 2.4.26
XMLSoft Libxml2 2.4.24
XMLSoft Libxml2 2.4.23
XMLSoft Libxml2 2.4.22
XMLSoft Libxml2 2.4.21
XMLSoft Libxml2 2.4.20
XMLSoft Libxml2 2.4.19
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 XMLSoft Libxml2 2.4.18
XMLSoft Libxml2 2.4.17
XMLSoft Libxml2 2.4.16
XMLSoft Libxml2 2.4.15
XMLSoft Libxml2 2.4.14
XMLSoft Libxml2 2.4.13
XMLSoft Libxml2 2.4.12
+ Conectiva Linux 8.0
XMLSoft Libxml2 2.4.11
XMLSoft Libxml2 2.4.10
XMLSoft Libxml2 2.4.9
XMLSoft Libxml2 2.4.8
XMLSoft Libxml2 2.4.7
XMLSoft Libxml2 2.4.6
XMLSoft Libxml2 2.4.5
XMLSoft Libxml2 2.4.4
XMLSoft Libxml2 2.4.3
XMLSoft Libxml2 2.4.2
XMLSoft Libxml2 2.3.14
XMLSoft Libxml2 2.3.13
XMLSoft Libxml2 2.3.12
XMLSoft Libxml2 2.3.10
XMLSoft Libxml2 2.3.8
XMLSoft Libxml2 2.3.8
XMLSoft Libxml2 2.3.7
XMLSoft Libxml2 2.3.6
XMLSoft Libxml2 2.3.5
XMLSoft Libxml2 2.3.4
XMLSoft Libxml2 2.2.11
XMLSoft Libxml2 2.2.10
XMLSoft Libxml2 2.2.7
XMLSoft Libxml2 2.2.6
XMLSoft Libxml2 2.2.5
XMLSoft Libxml2 2.2.4
XMLSoft Libxml2 2.2.3
XMLSoft Libxml2 2.6.9
XMLSoft Libxml2 2.6.8
XMLSoft Libxml2 2.6.7
XMLSoft Libxml2 2.6.6
XMLSoft Libxml2 2.6.5
XMLSoft Libxml2 2.6.4
XMLSoft Libxml2 2.6.3
XMLSoft Libxml2 2.6.27
XMLSoft Libxml2 2.6.2
XMLSoft Libxml2 2.6.1
XMLSoft Libxml2 2.6.0
XMLSoft Libxml2 2.5.7
XMLSoft Libxml2 2.5.0
XMLSoft Libxml2 2.4.25
XMLSoft Libxml2 2.4.23
XMLSoft Libxml2 2.4.1
XMLSoft Libxml2 2.3.3
XMLSoft Libxml2 2.3.2
XMLSoft Libxml2 2.3.11
XMLSoft Libxml2 2.3.1
XMLSoft Libxml2 2.3.0
XMLSoft Libxml2 2.2.9
XMLSoft Libxml2 2.2.8
XMLSoft Libxml2 2.2.2
XMLSoft Libxml2 2.2.1
XMLSoft Libxml2 2.2.0
XMLSoft Libxml2 2.1.1
XMLSoft Libxml2 2.1.0
XMLSoft Libxml2 2.0.0
Xerox FreeFlow Print Server (FFPS) 73.C0.41
Xerox FreeFlow Print Server (FFPS) 73.B3.61
VMWare ESXi 5.0
VMWare ESXi 4.1
VMWare ESXi 4.0
VMWare ESXi 3.5
VMWare ESX 4.1
VMWare ESX 4.0
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 11.10 i386
Ubuntu Ubuntu Linux 11.10 amd64
Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
SuSE SUSE Linux Enterprise Server 10 SP3 LTSS
Sun Solaris 9
Sun Solaris 11
Sun Solaris 10
RedHat Enterprise Linux Desktop Workstation 5 client
Red Hat Enterprise Linux Workstation Optional 6
Red Hat Enterprise Linux Workstation 6
Red Hat Enterprise Linux Server Optional 6
Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux HPC Node Optional 6
Red Hat Enterprise Linux HPC Node 6
Red Hat Enterprise Linux Desktop Optional 6
Red Hat Enterprise Linux Desktop 6
Red Hat Enterprise Linux Desktop 5 client
Red Hat Enterprise Linux 5 Server
Oracle Enterprise Linux 6.2
Oracle Enterprise Linux 6
Mandriva Linux Mandrake 2011 x86_64
Mandriva Linux Mandrake 2011
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Gentoo Linux
CentOS CentOS 6
Avaya Voice Portal 5.1.2
Avaya Voice Portal 5.1.1
Avaya Voice Portal 5.1 SP1
Avaya Voice Portal 5.1
Avaya Voice Portal 5.1
Avaya Voice Portal 5.0 SP2
Avaya Voice Portal 5.0 SP1
Avaya Voice Portal 5.0
Avaya Proactive Contact 5.0
Avaya IQ 5.2
Avaya IQ 5.1.1
Avaya IQ 5.1
Avaya IQ 5
Avaya IP Office Application Server 8.1
Avaya IP Office Application Server 8.0
Avaya IP Office Application Server 7.0
Avaya IP Office Application Server 6.1
Avaya IP Office Application Server 6.0
Avaya Communication Server 1000M Signaling Server 7.5
Avaya Communication Server 1000M Signaling Server 7.0
Avaya Communication Server 1000M Signaling Server 6.0
Avaya Communication Server 1000M 7.5
Avaya Communication Server 1000M 7.0
Avaya Communication Server 1000M 6.0
Avaya Communication Server 1000E Signaling Server 7.5
Avaya Communication Server 1000E Signaling Server 7.0
Avaya Communication Server 1000E Signaling Server 6.0
Avaya Communication Server 1000E 7.5
Avaya Communication Server 1000E 7.0
Avaya Communication Server 1000E 6.0
Avaya Aura System Platform 6.0.2
Avaya Aura System Platform 6.0.1
Avaya Aura System Platform 6.0 SP3
Avaya Aura System Platform 6.0 SP2
Avaya Aura System Platform 6.0
Avaya Aura System Platform 1.1
Avaya Aura System Manager 6.2
Avaya Aura System Manager 6.1.3
Avaya Aura System Manager 6.1.2
Avaya Aura System Manager 6.1.1
Avaya Aura System Manager 6.1 SP2
Avaya Aura System Manager 6.1 Sp1
Avaya Aura System Manager 6.1
Avaya Aura System Manager 6.0 SP1
Avaya Aura System Manager 6.0
Avaya Aura System Manager 5.2
Avaya Aura Session Manager 6.2.1
Avaya Aura Session Manager 6.1.3
Avaya Aura Session Manager 6.1.2
Avaya Aura Session Manager 6.1.1
Avaya Aura Session Manager 6.2
Avaya Aura Session Manager 6.1 SP2
Avaya Aura Session Manager 6.1 Sp1
Avaya Aura Session Manager 6.1
Avaya Aura Session Manager 6.0 SP1
Avaya Aura Session Manager 6.0
Avaya Aura Session Manager 5.2 SP2
Avaya Aura Session Manager 5.2 SP1
Avaya Aura Session Manager 5.2
Avaya Aura Session Manager 1.1
Avaya Aura Session Manager 1.0
Avaya Aura Presence Services 6.1.1
Avaya Aura Presence Services 6.1
Avaya Aura Presence Services 6.0
Avaya Aura Messaging 6.1
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Avaya Aura Messaging 6.0.1
Avaya Aura Messaging 6.0
Avaya Aura Experience Portal 6.0
Avaya Aura Conferencing 6.0 Standard
Avaya Aura Conferencing 6.0 Standard
Avaya Aura Conferencing 6.0 SP1 Standard
Avaya Aura Communication Manager Utility Services 6.2
Avaya Aura Communication Manager Utility Services 6.1
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Avaya Aura Communication Manager Utility Services 6.0
Avaya Aura Communication Manager Utility Services 1.1
Avaya Aura Communication Manager 6.0.1
Avaya Aura Communication Manager 6.0
Avaya Aura Application Server 5300 SIP Core 2.1
Avaya Aura Application Server 5300 SIP Core 2.0
Avaya Aura Application Enablement Services 5.2.1
Avaya Aura Application Enablement Services 6.1.1
Avaya Aura Application Enablement Services 6.1
Avaya Aura Application Enablement Services 5.2.3
Avaya Aura Application Enablement Services 5.2.2
Avaya Aura Application Enablement Services 5.2
Apple iPod Touch 0
Apple iPhone 0
Apple iPad 0
Apple Apple TV 5.0
Not Vulnerable:

Discussion

libxml2 Hash Collision Denial Of Service Vulnerability

libxml2 is prone to a denial-of-service vulnerability.

An attacker can exploit this issue by sending specially crafted requests to the affected application that uses a hash table.

Successful exploits may allow attackers to cause a hash collision resulting in excessive CPU resource consumption, effectively denying further service to legitimate users.

Exploit / POC

libxml2 Hash Collision Denial Of Service Vulnerability

An attacker can use readily available tools to exploit this issue.

Solution / Fix

libxml2 Hash Collision Denial Of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


MandrakeSoft Enterprise Server 5

Mandriva Linux Mandrake 2011

References

© 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