Hybserv2 - ':help' Denial of Service

source: https://www.securityfocus.com/bid/38006/info

Hybserv2 is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to deny service to legitimate users.

Hybserv2 1.9.4 is vulnerable; other versions may also be affected. 

The following example command is available:

PRIVMSG memoserv :help \t