source: https://www.securityfocus.com/bid/7430/info

Allegedly, a vulnerability exists in Opera 7.10 that may result in a denial of service. The problem reportedly occurs when processing a 'news:' URL of excessive length. It has been reported that this issue will trigger a condition that will prevent Opera from functioning until the program has been reinstalled. 

news:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...