Mozilla Security Updates
Date: 27 March 2018
The purpose of this advisory is to bring attention to a recently released Mozilla security update.
Mozilla has released security updates to address the “Use-after-free in compositor” vulnerability in Firefox and Firefox ESR.
- Firefox versions prior to 59.0.2
- Firefox ESR versions prior to 52.7.3
CVE Reference: CVE-2018-5148
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications 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
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