Syslserver version 1.058 suffers from a denial of service vulnerability due to a mishandling of malformed UDP packets.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/74048/syslserve-dos.txt
Source: https://packetstormsecurity.com/files/74048/Syslserver-1.058-Denial-Of-Service.html