Secunia Security Advisory – A security issue has been reported in Sylpheed, which potentially can be exploited by malicious people to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/47317/sa20577.txt
Source: https://packetstormsecurity.com/files/47317/Secunia-Security-Advisory-20577.html

