This update for dovecot22 to version 2.2.29.1 fixes the following issues: This security issue was fixed: - CVE-2017-2669: Don"t double-expand %variables in keys. If dict was used as the authentication passdb, using specially crafted %variables in the username could be used to cause DoS Additionally stronger SSL default ciphers are now used. This non-security issue was fixed: - Remove all references /etc/ssl/certs/. It should not be used anymore More changes are available in the changelog. Please make sure you read README.SUSE after installing this update.