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Fedora Update Notification
FEDORA-2015-7089
2015-04-29 07:54:03
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Name        : dovecot
Product     : Fedora 21
Version     : 2.2.16
Release     : 2.fc21
URL         : Summary     : Secure imap and pop3 server
Description :
Dovecot is an IMAP server for Linux/UNIX-like systems, written with security
primarily in mind.  It also contains a small POP3 server.  It supports mail
in either of maildir or mbox formats.

The SQL drivers and authentication plug-ins are in their subpackages.

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Update Information:

fixes CVE-2015-3420: SSL/TLS handshake failures leading to a crash of the login process
- dovecot updated to 2.2.16
- auth: Don't crash if master user login is attempted without
  any configured master=yes passdbs
- Parsing UTF-8 text for mails could have caused broken results
  sometimes if buffering was split in the middle of a UTF-8 character.
  This affected at least searching messages.
- String sanitization for some logged output wasn't done properly:
  UTF-8 text could have been truncated wrongly or the truncation may
  not have happened at all.
- fts-lucene: Lookups from virtual mailbox consisting of over 32
  physical mailboxes could have caused crashes.
- dovecot updated to 2.2.16
- auth: Don't crash if master user login is attempted without
  any configured master=yes passdbs
- Parsing UTF-8 text for mails could have caused broken results
  sometimes if buffering was split in the middle of a UTF-8 character.
  This affected at least searching messages.
- String sanitization for some logged output wasn't done properly:
  UTF-8 text could have been truncated wrongly or the truncation may
  not have happened at all.
- fts-lucene: Lookups from virtual mailbox consisting of over 32
  physical mailboxes could have caused crashes.
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ChangeLog:

* Tue Apr 28 2015 Michal Hlavinka  - 1:2.2.16-2
- fix CVE-2015-3420: SSL/TLS handshake failures leading to a crash of the login process
* Mon Mar 16 2015 Michal Hlavinka  - 1:2.2.16-1
- dovecot updated to 2.2.16
- auth: Don't crash if master user login is attempted without
  any configured master=yes passdbs
- Parsing UTF-8 text for mails could have caused broken results
  sometimes if buffering was split in the middle of a UTF-8 character.
  This affected at least searching messages.
- String sanitization for some logged output wasn't done properly:
  UTF-8 text could have been truncated wrongly or the truncation may
  not have happened at all.
- fts-lucene: Lookups from virtual mailbox consisting of over 32
  physical mailboxes could have caused crashes.
* Thu Feb  5 2015 Michal Hlavinka  - 1:2.2.15-3
- fix mbox istream crashes (#1189198, #1186504)
* Mon Jan  5 2015 Michal Hlavinka  - 1:2.2.15-2
- fix crash related to logging BYE notifications (#1176282)
- update pigeonhole to 0.4.6
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References:

  [ 1 ] Bug #1216057 - CVE-2015-3420 dovecot: SSL/TLS handshake failures leading to a crash of the login process.
        https://bugzilla.redhat.com/show_bug.cgi?id=1216057
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This update can be installed with the "yum" update program.  Use
su -c 'yum update dovecot' at the command line.
For more information, refer to "Managing Software with yum",
available at .

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/security/
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