Apple has released security updates

Apple has released security updates for Keynote, Pages, and Numbers for OS and iOS to address multiple vulnerabilities. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system.
Available updates include:
Keynote 6.6, Pages 5.6, and Numbers 3.6 for OS X Yosemite v10.10.4 or later
Keynote 6.6, Pages 5.6, and Numbers 3.6 for iOS v8.4 or later
DICTS encourages users and administrators to review Apple security updates (link is external) for Keynote, Pages, and Numbers and apply the necessary updates.