Dovecot is an open source IMAP and POP3 email server.
Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details.
An unauthenticated remote attacker could send a specially crafted mail or use crafted IMAP commands possibly resulting in the execution of arbitrary code with the privileges of the process or a Denial of Service condition.
There is no known workaround at this time.
All Dovecot users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-mail/dovecot-2.3.7.2"