Secunia Research Advisory – Opera browser versions 7.10 and 7.03 suffer from denial of service and possible remote code execution vulnerabilities due to incorrect handling of long filename extensions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/31128/secuniaOpera.txt
Source: https://packetstormsecurity.com/files/31128/secuniaOpera.txt.html