About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.
Apple security documents reference vulnerabilities by CVE-ID when possible.
Released September 13, 2016
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