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Sendmail < 8.14.4 SSL Certificate NULL Character Spoofing



The remote host is vulnerable to a man-in-the-middle attack.


The remote mail server is running a version of Sendmail earlier than 8.14.4. Such versions are potentially affected by a flaw that my allow an attacker to spoof SSL certificates by using a NULL character in certain certificate fields.


Upgrade to Sendmail 8.14.4 or later.