Mandriva Linux Security Advisory 2009-126 – mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy. NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/78031/MDVSA-2009-126.txt
Source: https://packetstormsecurity.com/files/78031/Mandriva-Linux-Security-Advisory-2009-126.html