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Ubuntu 20.10 USN-4687-1 Critical: Firefox Denial Of Service Threat

ubuntu
Calendar Grey January 7, 2021
Dist Ubuntu Esm H88
Stay informed on the latest Ubuntu Security Notice regarding a critical Firefox vulnerability that could compromise your system's stability and security
Firefox could be made to crash or run programs as your login if it opened a malicious website.

Summary

Topics%20covered

Topics Covered

security advisory denial of service critical issue critical firefox update instructions ubuntu website exploit

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: firefox 84.0.2+build1-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: firefox 84.0.2+build1-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 84.0.2+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: firefox 84.0.2+build1-0ubuntu0.16.04.1 After a standard system update you need to restart Firefox to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4687-1

CVE-2020-16044

Severity
critical
Lowest
Low
Medium
High
Critical

January 08, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical issue critical firefox update instructions ubuntu website exploit

Package Information

https://launchpad.net/ubuntu/+source/firefox/84.0.2+build1-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/firefox/84.0.2+build1-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/84.0.2+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/firefox/84.0.2+build1-0ubuntu0.16.04.1

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