Heap-based buffer overflow in WebKit in Mac OS X and OS X Server 10.3.9 and 10.4.3, as used in applications such as Safari, allows remote attackers to execute arbitrary code via unknown attack vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/23342
http://www.vupen.com/english/advisories/2005/2659
http://www.securityfocus.com/bid/29011
http://www.securityfocus.com/bid/15647
http://securitytracker.com/id?1015294