SUSE Security Announcement – sendmail is vulnerable to a race condition when handling signals. Under certain circumstances this bug can be exploited by an attacker to execute commands remotely.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/45026/SUSE-SA-2006-017.txt
Source: https://packetstormsecurity.com/files/45026/SUSE-SA-2006-017.txt.html