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    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.

    Published:Nov 17, 2008
    Last Modified:Apr 23, 2026
    EPS:Nov 25, 2008
    EPSS Score:0.02789
    CVSS Score:10

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Xmlsoft
    Product
    Libxml

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High