Apple Mac OS X Safari 2.0.3, 1.3.1, and possibly other versions allows remote attackers to cause a denial of service (CPU consumption and crash) via a TD element with a large number in the rowspan attribute.
lists.grok.org.uk/pipermail/full-disclosure/2006-April/045472.html
secunia.com/advisories/19763
securitytracker.com/id?1015982
www.securityfocus.com/archive/1/431874/100/0/threaded
www.securityfocus.com/archive/1/431944/100/0/threaded
www.securityfocus.com/bid/17674
www.vupen.com/english/advisories/2006/1508
exchange.xforce.ibmcloud.com/vulnerabilities/25998
www.exploit-db.com/exploits/1715