The CERT Coordination Center (CERT/CC) has released information on a vulnerability affecting OpenSMTPD. An attacker could exploit this vulnerability to take control of an affected system. OpenSMTPD is an open-source server-side implementation of the Simple Mail Transfer Protocol (SMTP) that is part of the OpenBSD Project. CISA encourages users and administrators to review CERT/CC’s Vulnerability Note VU#390745 and apply the necessary updates. Read the advisory at CISA.
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