Apple has released a security updates for OS X El Capitan, Safari and iOS to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to run arbitrary code.
The following updates are available:
(a) OS X El Capitan 10.11 for Mac OS X v10.6.8 and later
(b) Safari 9 for OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11
(c) iOS 9.0.2 for iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later
Users and administrators are encouraged to review the security update and apply necessary updates.