Apple Security Updates for Mac EFI, iOS, iTunes, OS X El Capitan, Safari, watchOS and Xcode

Number: AV15-099
Date: 21 October 2015


The purpose of this advisory is to bring attention to Apple operating system updates for Mac EFI, iOS, iTunes, OS X El Capitan, Safari, watchOS and Xcode.


Apple has released the following support articles:

Details: These updates address multiple vulnerabilities, including arbitrary remote code execution.

Multiple CVEs are referenced; please refer to Apple’s advisory for specific details.

Suggested Action

CCIRC recommends that owner/operators test and deploy the vendor released updates or workarounds to affected platforms referred to in Apple Support Articles HT205317, HT205370, HT205372, HT205375, HT205377, HT205378 and HT205379.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

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