Freeciv versions 2.1.0-beta1 and below and versions SVN 15 and below suffer from memcpy crash and invalid memory access flaws.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/48552/freecivDoS.txt
Source: https://packetstormsecurity.com/files/48552/freecivDoS.txt.html