Oracle MySQL Security Update

Number: AV16-157
Date: 01 October 2016


This advisory is to bring attention to recently released Oracle MySQL security updates addressing a critical vulnerability.


Oracle has released security updates to address a critical vulnerability in MySQL. Exploitation of this vulnerability may allow for arbitrary remote code execution.  This vulnerability also affects some projects forked from the main MySQL branch, including MariaDB and Percona Server.

Versions affected:

CVE Reference: CVE-2016-6662

Suggested Action

CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.


National Vulnerability Database:

Security Researcher:

Oracle MySQL Release Notes:

MariaDB Security Announcement:

Percona Server Critical Update:

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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