WebKit, as used in Apple Safari before 4.1.3 and 5.0.x before 5.0.3 and Google Chrome before 6.0.472.62, does not properly perform a cast of an unspecified variable, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an SVG element in a non-SVG document.
code.google.com/p/chromium/issues/detail?id=55114
googlechromereleases.blogspot.com/2010/09/stable-beta-channel-updates_17.html
lists.apple.com/archives/security-announce/2010//Nov/msg00002.html
lists.apple.com/archives/security-announce/2010//Nov/msg00003.html
lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
secunia.com/advisories/42314
secunia.com/advisories/43068
support.apple.com/kb/HT4455
support.apple.com/kb/HT4456
www.vupen.com/english/advisories/2010/3046
www.vupen.com/english/advisories/2011/0212
bugs.webkit.org/show_bug.cgi?id=45562
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6691