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.
Apple Remote Desktop 3.9
Released February 21, 2017
Available for: OS X Yosemite v10.10.5 and later
Impact: An attacker may be able to capture cleartext passwords
Description: A cryptographic weakness existed in the authentication protocol of Remote Desktop. This issue was addressed by implementing the Secure Remote Password authentication protocol.