[SECURITY] Fedora 26 Update: firefox-56.0-2.fc26

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Fedora Update Notification
FEDORA-2017-730e299c49
2017-10-02 14:21:42.635898
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Name        : firefox
Product     : Fedora 26
Version     : 56.0
Release     : 2.fc26
URL         : https://www.mozilla.org/firefox/
Summary     : Mozilla Firefox Web browser
Description :
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance and portability.

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Update Information:

- Updated to latest upstream (56.0)
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade firefox' 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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