Buffer overflow in WebKit in Apple Safari before 4.0.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted floating-point numbers.
http://www.vupen.com/english/advisories/2011/0212
http://www.securitytracker.com/id?1022717
http://www.securityfocus.com/bid/36023
http://support.apple.com/kb/HT4225
http://support.apple.com/kb/HT3733
http://secunia.com/advisories/43068
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
http://lists.apple.com/archives/security-announce/2009/Aug/msg00002.html