CVE-2006-1834
Integer signedness error in Opera before 8.54 allows remote attackers to execute arbitrary code via long values in a stylesheet attribute, which pass a length check. NOTE: a sign extension problem makes the attack easier with shorter strings.
Date published : 2006-04-19
http://www.securityfocus.com/bid/17513
http://www.securityfocus.com/archive/1/430876/100/0/threaded