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Fedora Update Notification
FEDORA-2019-3844281be1
2019-08-30 14:20:29.663206
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Name : dovecot
Product : Fedora 30
Version : 2.3.7.2
Release : 1.fc30
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:

* CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte when
scanning data in quoted strings, leading to out of bounds heap memory writes
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ChangeLog:

* Thu Aug 29 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.7.2-1
– dovecot updated to 2.3.7.2, pigeonhole 0.5.7.2
– fixes CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte
when scanning data in quoted strings, leading to out of bounds heap
memory writes
* Mon Aug 19 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:1-2.3.7.1
– dovecot updated to 2.3.7.1, pigeonhole updated to 0.5.7.1
* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> – 1:2.3.6-4
– Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri May 31 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.6-3
– disable gcc 9 stack reuse temporarily
* Mon May 13 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.6-2
– use /run instead of /var/run (#1706372)
* Thu May 2 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.6-1
– dovecot updated to 2.3.6, pigeonhole updated to 0.5.6
* Thu Apr 18 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.5.2-1
– dovecot updated to 2.3.5.2
– fixes CVE-2019-10691: Trying to login with 8bit username containing
invalid UTF8 input causes auth process to crash if auth policy is enabled.
* Thu Mar 28 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.5.1-1
– dovecot updated to 2.3.5.1
– CVE-2019-7524: Missing input buffer size validation leads into
arbitrary buffer overflow when reading fts or pop3 uidl header
from Dovecot index.
* Wed Mar 6 2019 Michal Hlavinka <mhlavink@redhat.com> – 1:2.3.5-1
– dovecot updated to 2.3.5, pigeonhole updated to 0.5.5
* Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> – 1:2.3.4-3
– Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
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References:

[ 1 ] Bug #1742010 – dovecot-2.3.7.1 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1742010
[ 2 ] Bug #1746666 – CVE-2019-11500 dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1746666
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This update can be installed with the “dnf” update program. Use
su -c ‘dnf upgrade –advisory FEDORA-2019-3844281be1’ 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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