- update to 2.3.13 and pigeonhole to 0.5.13
Dovecot 2.3.13
* CVE-2020-24386: Specially crafted command can cause IMAP hibernate to
allow logged in user to access other people's emails and filesystem
information.
* Metric filter and global event filter variable syntax changed to a
SQL-like format. See
https://doc.dovecot.org/configuration_manual/event_filter/
* auth: Added new aliases for %{variables}. Usage of the old ones is
possible, but discouraged.
* auth: Removed RPA auth mechanism, SKEY auth mechanism, NTLM auth
mechanism and related password schemes.
* auth: Removed passdb-sia, passdb-vpopmail and userdb-vpopmail.
* auth: Removed postfix postmap socket
+ auth: Added new fields for auth server events. These fields are now
also available for all auth events. See
https://doc.dovecot.org/admin_manual/list_of_events/#authentication-server
for details.
+ imap-hibernate: Added imap_client_hibernated, imap_client_unhibernated
and imap_client_unhibernate_retried events. See
https://doc.dovecot.org/admin_manual/list_of_events/ for details.
+ lib-index: Added new mail_index_recreated event. See
https://doc.dovecot.org/admin_manual/list_of_events/#mail-index-recreated
+ lib-sql: Support TLS options for cassandra driver. This requires
cpp-driver v2.15 (or later) to work reliably.
+ lib-storage: Missing $HasAttachment / $HasNoAttachment flags are now
added to existing mails if mail_attachment_detection_option=add-flags
and it can be done inexpensively.
+ login proxy: Added login_proxy_max_reconnects setting (default 3) to
control how many reconnections are attempted.