Important: dovecot security update

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 Fixes: doveco...

CVE-2026-42006

CVE-2026-42006 affects Dovecot IMAP servers; the issue is uncontrolled memory usage caused by excessive bracing over IMAP, arising from an incomplete fix to CVE-2026-27857. Public advisories across multiple distros (Debian, Ubuntu, Fedora, SUSE) document vulnerable dovecot packages and partial/ne...