Vulnerability Report

CVE-2008-4226

Title: Xmlsoft Libxml RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2008-4226.

CWE Category CWE-399

Published Date Nov 25, 2008

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 10.0 CVSS v2.0

Exploit Probability (EPSS)

4.05%

Vulnerability Summary

CVE-2008-4226: Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows context-dependent attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a large XML document.

Impacted Vendors

xmlsoft 1

Reference Links

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444 http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html http://secunia.com/advisories/32762 http://secunia.com/advisories/32764 http://secunia.com/advisories/32766 http://secunia.com/advisories/32773 http://secunia.com/advisories/32802 http://secunia.com/advisories/32807 http://secunia.com/advisories/32811 http://secunia.com/advisories/32872 http://secunia.com/advisories/32974 http://secunia.com/advisories/33417 http://secunia.com/advisories/33746 http://secunia.com/advisories/33792 http://secunia.com/advisories/34247 http://secunia.com/advisories/35379 http://secunia.com/advisories/36173 http://secunia.com/advisories/36235 http://security.gentoo.org/glsa/glsa-200812-06.xml http://securitytracker.com/id?1021238 http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.473974 http://sunsolve.sun.com/search/document.do?assetkey=1-21-126356-03-1 http://sunsolve.sun.com/search/document.do?assetkey=1-21-141243-01-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-251406-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-261688-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-265329-1 http://support.apple.com/kb/HT3613 http://support.apple.com/kb/HT3639 http://support.avaya.com/elmodocs2/security/ASA-2009-002.htm http://support.avaya.com/elmodocs2/security/ASA-2009-067.htm http://wiki.rpath.com/Advisories:rPSA-2008-0325 http://www.debian.org/security/2008/dsa-1666 http://www.mandriva.com/security/advisories?name=MDVSA-2008:231 http://www.osvdb.org/49993 http://www.redhat.com/support/errata/RHSA-2008-0988.html http://www.securityfocus.com/bid/32326 http://www.ubuntu.com/usn/usn-673-1 http://www.vmware.com/security/advisories/VMSA-2009-0001.html http://www.vupen.com/english/advisories/2008/3176 http://www.vupen.com/english/advisories/2009/0034 http://www.vupen.com/english/advisories/2009/0301 http://www.vupen.com/english/advisories/2009/0323 http://www.vupen.com/english/advisories/2009/1522 http://www.vupen.com/english/advisories/2009/1621 https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc10 https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc9 https://bugzilla.redhat.com/show_bug.cgi?id=470466 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6219 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6360 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9888 https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00472.html https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00513.html http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444 http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00002.html http://secunia.com/advisories/32762 http://secunia.com/advisories/32764 http://secunia.com/advisories/32766 http://secunia.com/advisories/32773 http://secunia.com/advisories/32802 http://secunia.com/advisories/32807 http://secunia.com/advisories/32811 http://secunia.com/advisories/32872 http://secunia.com/advisories/32974 http://secunia.com/advisories/33417 http://secunia.com/advisories/33746 http://secunia.com/advisories/33792 http://secunia.com/advisories/34247 http://secunia.com/advisories/35379 http://secunia.com/advisories/36173 http://secunia.com/advisories/36235 http://security.gentoo.org/glsa/glsa-200812-06.xml http://securitytracker.com/id?1021238 http://slackware.com/security/viewer.php?l=slackware-security&y=2008&m=slackware-security.473974 http://sunsolve.sun.com/search/document.do?assetkey=1-21-126356-03-1 http://sunsolve.sun.com/search/document.do?assetkey=1-21-141243-01-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-251406-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-261688-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-265329-1 http://support.apple.com/kb/HT3613 http://support.apple.com/kb/HT3639 http://support.avaya.com/elmodocs2/security/ASA-2009-002.htm http://support.avaya.com/elmodocs2/security/ASA-2009-067.htm http://wiki.rpath.com/Advisories:rPSA-2008-0325 http://www.debian.org/security/2008/dsa-1666 http://www.mandriva.com/security/advisories?name=MDVSA-2008:231 http://www.osvdb.org/49993 http://www.redhat.com/support/errata/RHSA-2008-0988.html http://www.securityfocus.com/bid/32326 http://www.ubuntu.com/usn/usn-673-1 http://www.vmware.com/security/advisories/VMSA-2009-0001.html http://www.vupen.com/english/advisories/2008/3176 http://www.vupen.com/english/advisories/2009/0034 http://www.vupen.com/english/advisories/2009/0301 http://www.vupen.com/english/advisories/2009/0323 http://www.vupen.com/english/advisories/2009/1522 http://www.vupen.com/english/advisories/2009/1621 https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc10 https://admin.fedoraproject.org/updates/libxml2-2.7.2-2.fc9 https://bugzilla.redhat.com/show_bug.cgi?id=470466 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6219 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6360 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9888 https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00472.html https://www.redhat.com/archives/fedora-package-announce/2008-November/msg00513.html

CVSS v2.0

Source Entity [email protected]

Severity HIGH

10.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2008-4226 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

November 25, 2008 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.