Quake II version 3.2.x is susceptible to multiple vulnerabilities. Due to unchecked input at various stages in the server, remote users are able to cause the server to crash, reveal sensitive information or potentially execute arbitrary code.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34868/quakeII.txt
Source: https://packetstormsecurity.com/files/34868/quakeII.txt.html