About the security content of Xcode 8 - Apple Support

About Apple security updates

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Xcode 8

Released September 13, 2016

otool

Available for: OS X El Capitan v10.11.5 and later

Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution

Description: Multiple memory corruption issues were addressed through improved memory handling.

CVE-2016-4704: Shrek_wzw of Qihoo 360 Nirvan Team

CVE-2016-4705: riusksk of Tencent Security Platform Department