WebKit, as used in Google Chrome before 7.0.517.44, webkitgtk before 1.2.6, and other products, does not properly handle large text areas, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted HTML document.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12157
https://bugzilla.redhat.com/show_bug.cgi?id=656118
http://www.securityfocus.com/bid/45719
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052906.html