Bug#868788: Security fixes from the July 2017 CPU

[Lars Tangvald]

CVE list for 5.5:

CVE-2017-3635
CVE-2017-3636
CVE-2017-3641
CVE-2017-3648
CVE-2017-3651
CVE-2017-3652
CVE-2017-3653

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Lars