Apple has released a security updates for Keynote, Pages, and Numbers for OS and iOS to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to take control of an affected system.
The following updates are available:
(a) Keynote 6.6, Pages 5.6, and Numbers 3.6 for OS X Yosemite v10.10.4 or later
(b) Keynote 6.6, Pages 5.6, and Numbers 3.6 for iOS v8.4 or later
Users and administrators are encouraged to review the Apple security update and apply the necessary updates.