Linux Security
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    Linux Security

    Fedora 31: dovecot FEDORA-2019-5898f4f935

    Date 08 Jan 2020
    414
    Posted By LinuxSecurity Advisories
    Security fix for CVE-2019-19722: null pointer dereference in push notification driver
    --------------------------------------------------------------------------------
    Fedora Update Notification
    FEDORA-2019-5898f4f935
    2020-01-08 11:54:40.924375
    --------------------------------------------------------------------------------
    
    Name        : dovecot
    Product     : Fedora 31
    Version     : 2.3.9.2
    Release     : 1.fc31
    URL         : https://www.dovecot.org/
    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.
    
    --------------------------------------------------------------------------------
    Update Information:
    
    Security fix for CVE-2019-19722: null pointer dereference in push notification
    driver
    --------------------------------------------------------------------------------
    ChangeLog:
    
    * Thu Dec 19 2019 Michal Hlavinka  - 1:2.3.9.2-1
    - CVE-2019-19722: Mails with group addresses in From or To fields
      caused crash in push notification drivers.
    * Wed Dec  4 2019 Michal Hlavinka  - 1:2.3.9-1
    - dovecot updated to 2.3.9, pigeonhole updated to 0.5.9
    * Thu Oct 10 2019 Michal Hlavinka  - 1:2.3.8-1
    - dovecot updated to 2.3.8, pigeonhole 0.5.8
    --------------------------------------------------------------------------------
    References:
    
      [ 1 ] Bug #1782785 - CVE-2019-19722 dovecot: null pointer dereference in push notification driver
            https://bugzilla.redhat.com/show_bug.cgi?id=1782785
    --------------------------------------------------------------------------------
    
    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2019-5898f4f935' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    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/keys
    --------------------------------------------------------------------------------
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