Dovecot v2.3.14.1 released

[Timo Sirainen]

Hi,

This is an "important fixes only" release in case you don't want to upgrade to v2.3.15. There is no matching Pigeonhole release - use the same v2.3.14 instead.

https://dovecot.org/releases/2.3/dovecot-2.3.14.1.tar.gz <https://dovecot.org/releases/2.3/dovecot-2.3.14.1.tar.gz>
https://dovecot.org/releases/2.3/dovecot-2.3.14.1.tar.gz.sig <https://dovecot.org/releases/2.3/dovecot-2.3.14.1.tar.gz.sig>

Binary packages in https://repo.dovecot.org/ <https://repo.dovecot.org/>
Docker images in https://hub.docker.com/r/dovecot/dovecot <https://hub.docker.com/r/dovecot/dovecot>

 * CVE-2021-29157: Dovecot does not correctly escape kid and azp fields in
   JWT tokens. This may be used to supply attacker controlled keys to
   validate tokens, if attacker has local access.
 * CVE-2021-33515: On-path attacker could have injected plaintext commands
   before STARTTLS negotiation that would be executed after STARTTLS
   finished with the client.
 - lib-index: Corrupted mime.parts in dovecot.index.cache may have
   resulted in Panic: file imap-bodystructure.c: line 206 (part_write_body):
   assertion failed: (text == ((part->flags & MESSAGE_PART_FLAG_TEXT) != 0))
 - imap: SETMETADATA could not be used to unset metadata values.
   Instead NIL was handled as a "NIL" string. v2.3.14 regression.

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