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-2016-4647

CVE-2016-4647 affects Apple OS X, where audio handling before 10.11.6 is vulnerable to crafted audio files that trigger memory corruption, allowing a local user to gain privileges or cause a denial of service. The Apple advisory packages this under OS X El Capitan v10.11.6 and Security Update 201...