Secunia Security Advisory – Fedora has issued an update for openttd. This fixes some vulnerabilities, which can be exploited by malicious people to bypass certain security restrictions and cause a DoS (Denial of Service), and by malicious users to cause a DoS and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/89178/sa39619.txt
Source: https://packetstormsecurity.com/files/89178/Secunia-Security-Advisory-39619.html