Secunia Security Advisory – Gentoo has acknowledged some vulnerabilities in cube, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially to compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/44589/sa19199.txt
Source: https://packetstormsecurity.com/files/44589/Secunia-Security-Advisory-19199.html