ISS Security Advisory – A remote root vulnerability has been discovered in Sendmail v5.79 to 8.12.7 in the crackaddr() function which is used to parse headers. This vulnerability is especially dangerous because the exploit can be delivered within an email message and the attacker doesn’t need any specific knowledge of the target to launch a successful attack.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/30860/iss.sendmail.txt
Source: https://packetstormsecurity.com/files/30860/iss.sendmail.txt.html