Multiple Apple Security Updates

Number: AV16-138
Date: 1 September 2016


The purpose of this advisory is to bring attention to multiple Apple security updates for OS X El Capitan, OS X Yosemite and Safari.


Apple has released the following support articles:
HT207130 - Security Update 2016-001 El Capitan and Security Update 2016-005 Yosemite
HT207131 - Safari 9.1.3

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

CVE References: CVE-2016-4654, CVE-2016-4655, CVE-2016-4656

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 HT207130 and HT207131.


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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