About the security content of OS X El Capitan v10.11.6 and Security Update 2016-004 - Apple Support

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, se...

CVE-2016-4648

CVE-2016-4648 affects Audio in Apple OS X prior to 10.11.6. The issue is an out-of-bounds read that can let a local attacker obtain sensitive kernel memory-layout information or cause a denial of service. Affected software is OS X El Capitan v10.11 and earlier; an explicit fix is provided with OS...