Fedora alert FEDORA-2018-9cdf18a850 (zsh)

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updates@fedoraproject.org 
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package-announce@lists.fedoraproject.org 
Subject:
    	     
 
[SECURITY] Fedora 26 Update: zsh-5.3.1-7.fc26 
Date:
    	     
 
Tue, 20 Mar 2018 17:37:50 +0000 (UTC)
Message-ID:
    	     
 
<20180320173750.B3A4760A65E8@bastion01.phx2.fedoraproject.org>
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Fedora Update Notification
FEDORA-2018-9cdf18a850
2018-03-20 17:27:15.777575
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Name        : zsh
Product     : Fedora 26
Version     : 5.3.1
Release     : 7.fc26
URL         : http://zsh.sourceforge.net/

Summary     : Powerful interactive shell
Description :
The zsh shell is a command interpreter usable as an interactive login
shell and as a shell script command processor.  Zsh resembles the ksh
shell (the Korn shell), but includes many enhancements.  Zsh supports
command line editing, built-in spelling correction, programmable
command completion, shell functions (with autoloading), a history
mechanism, and more.

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Update Information:

- avoid crash when copying empty hash table (CVE-2018-7549) - avoid NULL
dereference when using ```${(PA)...}``` on an empty array (CVE-2018-7548) - fix
buffer overrun in xsymlinks (CVE-2017-18206) - fix NULL dereference in cd
(CVE-2017-18205)
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References:

  [ 1 ] Bug #1549842 - CVE-2018-7548 zsh: null-pointer deref when using ${(PA)...} on an empty
array result [fedora-all]
        https://bugzilla.redhat.com/show_bug.cgi?id=1549842

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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade zsh' at the command line.
For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgr...

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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