Secunia Security Advisory – IBM has acknowledged a vulnerability in sendmail, which can be exploited by malicious people to cause a DoS (Denial of Service).
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/47459/sa20675.txt
Source: https://packetstormsecurity.com/files/47459/Secunia-Security-Advisory-20675.html