Eric Allman Sendmail

The debug command in Sendmail is enabled, allowing attackers to execute commands as root.

Sendmail 8.6.9 allows remote attackers to execute root commands, using ident.

MIME conversion buffer overflow in sendmail versions 8.8.3 and 8.8.4.

In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from" address and an invalid "rcpt to" address that would cause the mail to bounce to a program.

MIME buffer overflow in Sendmail 8.8.0 and 8.8.1 gives root access.

Local users can start Sendmail in daemon mode and gain root privileges.

Sendmail WIZ command enabled, allowing root access.

Buffer overflow and denial of service in Sendmail 8.7.5 and earlier through GECOS field gives root access to local users.

In older versions of Sendmail, an attacker could use a pipe character to execute root commands.

Remote attackers can cause a denial of service in Sendmail 8.8.x and 8.9.2 by sending messages with a large number of headers.

mail.local in Sendmail 8.10.x does not properly identify the .\n string which identifies the end of message text, which allows a remote attacker to cause a denial of service or corrupt mailboxes via a message line that is 2047 characters long and ends in .\n.

Denial of service in Sendmail 8.6.11 and 8.6.12.

Sendmail allows local users to write to a file and gain group permissions via a .forward or :include: file.

Sendmail allows local users to reinitialize the aliases database via the newaliases command, then cause a denial of service by interrupting Sendmail.