Secunia Security Advisory – Some vulnerabilities and security issues have been reported in Opera, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/80880/sa36414.txt
Source: https://packetstormsecurity.com/files/80880/Secunia-Security-Advisory-36414.html