Apple Security Advisory 2017-01-18-2 - Logic Pro X 10.3 is now available and addresses a memory corruption vulnerability.
8acc4a5141e6b31fa5ebafe354d93c23e789bdf9787d386c2b3c6ca9992ab6dc
Apple Security Advisory 2017-01-18-1 - GarageBand 10.1.5 is now available and addresses an arbitrary code execution vulnerability.
8b293dd223e10fa806a8514f9acac486a53d8cb35b150e516319b9d2352a706e