PHP Security Updates

Number: AV17-096
Date: 7 July 2017


The purpose of this advisory is to bring attention to multiple PHP security updates


PHP has released multiple security updates covering various vulnerabilities.  Those updates include patches to address vulnerabilities which could potentially allow an attacker to perform remote code execution.

Versions affected:
PHP 5.6.x versions 5.6.30 and earlier
PHP 7.0.x versions 7.0.20 and earlier
PHP 7.1.x versions 7.1.7 and earlier

CVE References: CVE-2017-9224, CVE-2017-9226, CVE-2017-9227, CVE-2017-9228, CVE-2017-9229

Suggested Action

CCIRC recommends organizations consult with vendors for confirmation on whether their products and/or service providers are utilizing vulnerable versions of PHP.  As vendor-released updates become available, organizations should test and deploy updates to affected applications/platforms accordingly.


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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