Posted by Apple Product Security on Oct 24
APPLE-SA-2016-10-24-2 macOS Sierra 10.12.1
macOS Sierra 10.12.1 is now available and addresses the following:
Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11.6
Impact: An application may be able to execute arbitrary code with
Description: A memory corruption issue was addressed through improved
lock state checking.
Available for: macOS Sierra 10.12