Mozilla Releases Security Updates

Number: AV17-052
Date: 20 April 2017

Purpose

The purpose of this advisory is to bring attention to the recently released security updates for Mozilla Firefox and Firefox ESR.

Assessment

Mozilla released security updates to address 39 vulnerabilities in Firefox and Firefox ESR. The severity of these issues ranges from low to critical.

Versions affected:
Firefox versions prior to 53
ESR versions 45.x prior to 45.9
ESR versions 52.x prior to 52.1

CVE References:  CVE-2017-5429, CVE-2017-5430, CVE-2017-5432, CVE-2017-5433, CVE-2017-5434, CVE-2017-5435, CVE-2017-5436, CVE-2017-5437, CVE-2017-5438, CVE-2017-5439, CVE-2017-5440, CVE-2017-5441, CVE-2017-5442, CVE-2017-5443, CVE-2017-5444, CVE-2017-5445, CVE-2017-5446, CVE-2017-5447, CVE-2017-5448, CVE-2017-5449, CVE-2017-5450, CVE-2017-5451, CVE-2017-5452, CVE-2017-5453, CVE-2017-5454, CVE-2017-5455, CVE-2017-5456, CVE-2017-5458, CVE-2017-5459, CVE-2017-5460, CVE-2017-5461, CVE-2017-5462, CVE-2017-5463, CVE-2017-5464, CVE-2017-5465, CVE-2017-5466, CVE-2017-5467, CVE-2017-5468, CVE-2017-5469

Suggested Action

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

References:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-10/
https://www.mozilla.org/en-US/security/advisories/mfsa2017-11/
https://www.mozilla.org/en-US/security/advisories/mfsa2017-12/

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.

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http://www.publicsafety.gc.ca/cnt/ntnl-scrt/cbr-scrt/_fl/CCIRCPublicPGPKey.txt

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

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