RHSA-2020:4763: dovecot security update (Moderate)
Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fix(es): * dovecot: command followed by sufficient number of newlines leads to use-after-free (CVE-2020-10958) * dovecot: sending mail with empty quoted localpart leads to DoS (CVE-2020-10967) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.