FEDORA-2022-65aeef041f created by mhlavink 2 years ago for Fedora 35
  • dovecot updated to 2.3.18
  • Removed mail_cache_lookup_finished event. This event wasn't especially useful, but it increased CPU usage significantly.
  • fts: Don't index inline base64 encoded content in FTS indexes using the generic tokenizer. This reduces the FTS index sizes by removing input that is very unlikely to be searched for. See for details on how base64 is detected. Only applies when using libfts.
  • lmtp: Session IDs are now preserved through proxied connections, so LMTP sessions can be tracked.
  • Events now have "reason_code" field, which can provide a list of reasons why the event is happening.
  • New events are added. See
  • fts: Added fts_header_excludes and fts_header_includes settings to specify which headers to index. See for configuration details.
  • fts: Initialize the textcat language detection library only once per process. This can reduce CPU usage if fts_languages setting has multiple languages listed and service indexer-worker { service_count } isn't 1. Only applies when using libfts.
  • lib-storage: Reduced CPU usage significantly for some operations that accessed lots of emails (e.g. fetching all flags in a folder, SORT, ...)
  • lib: DOVECOT_PREREQ() - Add micro version which enables compiling external plugins against different versions of Dovecot.
  • lmtp: Added new lmtp_verbose_replies setting that makes errors sent to the LMTP client much more verbose with details about why exactly backend proxy connections or commands are failing.
  • submission: Support implicit SASL EXTERNAL with submission_client_workarounds=implicit-auth-external. This allows automatically logging in when SSL client certificate is present.
  • *-login: Statistics were disabled if stats process connection was lost.
  • auth: Authentication master user login fails with SCRAM-* SASL mechanisms.
  • auth: With auth_cache_verify_password_with_worker=yes, passdb extra fields in the auth cache got lost.
  • doveadm: Fixed crash if zlib_save_level setting was specified, but zlib_save was unset. v2.3.15 regression.
  • doveadm: Proxying can panic when flushing print output. v2.3.17 regression. Fixes: Panic: file ioloop.c: line 865 (io_loop_destroy): assertion failed: (ioloop == current_ioloop)
  • doveadm: stats add --group-by parameter didn't work.
  • fts: Using email-address fts tokenizer could result in excessive memory usage with garbage email input. This could cause the indexer-worker processes to fail due to reaching the VSZ memory size limit. Only applies when using libfts.
  • imap: A SEARCH command timing out while fts returns indexes may timeout returning "NO [SERVERBUG]", while it should return "NO [INUSE]" instead.
  • imap: LIST-EXTENDED doesn't return STATUS for all folders. Sending LIST .. RETURN (SUBSCRIBED STATUS (...)) did not return STATUS for folders that are not subscribed when they have a child folder that is subscribed as mandated by IMAP RFCs.
  • imapc: Mailbox vsize calculation crashed with Panic: file index-mailbox-size.c: line 344 (index_mailbox_vsize_hdr_add_missing): assertion failed: (mails_left > 0)
  • indexer: If indexer-worker crashes, the request it was processing gets stuck in the indexer process. This stops indexing for the folder until indexer process is restarted. v2.3.14 regression.
  • indexer: Process was slowly leaking memory for each indexing request.
  • lib-event: Unnamed events were wrongly filtered out for event/metric filters like "event=abc OR something_independent_of_event_name".
  • lib-index: 64-bit big endian CPUs handle last_used field in dovecot.index.cache wrong.
  • lib-ssl-iostream: Fix buggy OpenSSL error handling without assert-crashing. If there is no error available, log it as an error instead of crashing. The previous fix for this in v2.3.11 was incomplete. Fixes Panic: file istream-openssl.c: line 51 (i_stream_ssl_read_real): assertion failed: (errno != 0)
  • lmtp: Out-of-memory issues can happen when proxying large messages to LMTP backend servers that accept the message data too slow.
  • master: HAProxy header parsing has read buffer overflow if provided header size is invalid. This happens only if inet_listener { haproxy=yes } is configured and only if the remote IP address is in haproxy_trusted_networks.
  • old_stats: Plugin kept increasing memory usage, which became noticeable with long-running imap sessions.
  • stats: Dynamically adding same metric multiple times causes multiple stats.
  • submission-login: Authentication does not accept OAUTH2 token (or other very long credentials) because it considers the line to be too long.
  • submission-login: Process can crash if HELO is pipelined with an invalid domain.
  • submission-proxy: Don't use SASL-IR if it would make the AUTH command line longer than 512 bytes.
  • submission: Service would crash if relay server authentication failed.
  • virtual: FTS search in a virtual folder could crash if there are duplicate mailbox GUIDs. This mainly happened when user had both INBOX and INBOX/INBOX folders and the namespace prefix was INBOX/. Fixes Panic: file hash.c: line 252 (hash_table_insert_node): assertion failed: (opcode == HASH_TABLE_OP_UPDATE)
  • virtual: If mailbox opening fails, the backend mailbox is leaked and process crashes when client disconnects. Fixes Panic: file mail-user.c: line 232 (mail_user_deinit): assertion failed: ((*user)->refcount == 1)
  • virtual: Searching headers in virtual folders didn't always use full-text search indexes, if fts_enforced=no or body.

How to install

Updates may require up to 24 hours to propagate to mirrors. If the following command doesn't work, please retry later:

sudo dnf upgrade --refresh --advisory=FEDORA-2022-65aeef041f

This update has been submitted for testing by mhlavink.

2 years ago

This update's test gating status has been changed to 'ignored'.

2 years ago

This update has been pushed to testing.

2 years ago
User Icon ibims provided feedback 2 years ago

This update has been submitted for stable by bodhi.

2 years ago
User Icon bojan provided feedback 2 years ago

This update has been pushed to stable.

2 years ago

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Content Type
Test Gating
Unstable by Karma
Stable by Karma
Stable by Time
7 days
2 years ago
in testing
2 years ago
in stable
2 years ago

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