RLSA-2021:3492 Important: cyrus-imapd security update

The Cyrus IMAP server provides access to personal mail, system-wide bulletin boards, news-feeds, calendar and contacts through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. Security Fixes: cyrus-imapd: Denial of service via string hashing algorithm collisions CVE-2021-33582 For more details...