Sauerbraten 2006_02_28, as derived from the Cube engine, allows remote attackers to cause a denial of service (client exit) by forcing the server to change to a map (ogz) file whose name contains ".." sequences and has a certain length that prevents the addition of the ".ogz" extension.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25086
http://www.vupen.com/english/advisories/2006/0848
http://www.vupen.com/english/advisories/2006/0847
http://www.securityfocus.com/archive/1/426867/100/0/threaded
http://www.securityfocus.com/archive/1/426865/100/0/threaded
http://www.gentoo.org/security/en/glsa/glsa-200603-10.xml
http://securityreason.com/securityalert/548
http://secunia.com/advisories/19199