rendering/FixedTableLayout.cpp in WebCore in WebKit in Google Chrome before 5.0.375.70 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an HTML document that has a large colspan attribute within a table.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11434
http://www.vupen.com/english/advisories/2011/0212
http://secunia.com/advisories/43068
http://secunia.com/advisories/40072
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://googlechromereleases.blogspot.com/2010/06/stable-channel-update.html