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Fedora Update Notification
FEDORA-2019-5898f4f935
2020-01-08 11:54:40.924375
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Name : dovecot
Product : Fedora 31
Version : 2.3.9.2
Release : 1.fc31
URL : http://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.

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Update Information:

Security fix for CVE-2019-19722: null pointer dereference in push notification
driver
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ChangeLog:

* Thu Dec 19 2019 Michal Hlavinka <mhlavink@redhat.com> – 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 <mhlavink@redhat.com> – 1:2.3.9-1
– dovecot updated to 2.3.9, pigeonhole updated to 0.5.9
* Thu Oct 10 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.8-1
– dovecot updated to 2.3.8, pigeonhole 0.5.8
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References:

[ 1 ] Bug #1782785 – CVE-2019-19722 dovecot: null pointer dereference in push notification driver
https://bugzilla.redhat.com/show_bug.cgi?id=1782785
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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
http://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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