Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.

References

• https://nvd.nist.gov/vuln/detail/CVE-2011-2821
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13840
• http://code.google.com/p/chromium/issues/detail?id=89402
• http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
• http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
• http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
• http://rhn.redhat.com/errata/RHSA-2013-0217.html
• http://support.apple.com/kb/HT5281
• http://support.apple.com/kb/HT5503
• http://www.debian.org/security/2012/dsa-2394
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:145
• http://www.redhat.com/support/errata/RHSA-2011-1749.html