TinyWeb is "extremely small (executable file size is 53K), simple (no configuration other than through the command line) and fast (consumes minimum of system resources) Win32 daemon for regular (TCP/http) and secure (SSL/TLS/https) web servers".
A vulnerability in the product allows remote attackers to cause the server to crash by sending it a special request.
Credit:
The information has been provided by Ziv Kamir.