MySQL versions 4.1.x, 4.0.x, and 5.0.x are all susceptible to a denial of service attack due to a problem with handling device names.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/36669/mysqlDoS.txt
Source: https://packetstormsecurity.com/files/36669/mysqlDoS.txt.html