Mozilla Security Updates
Date: 11 October 2017
The purpose of this advisory is to bring attention to a security update addressing multiple vulnerabilities in Thunderbird.
Mozilla released security updates to address 9 vulnerabilities in Thunderbird.
The severity of these issues ranges from moderate to critical.
Thunderbird versions prior to 52.4
CVE References: CVE-2017-7793, CVE-2017-7818, CVE-2017-7819, CVE-2017-7824, CVE-2017-7805, CVE-2017-7814, CVE-2017-7825, CVE-2017-7823, CVE-2017-7810
CCIRC recommends that owner/operators test and deploy the vendor released updates to the affected platforms in accordance with their risk mitigation framework.
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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