========================================================================== Ubuntu Security Notice USN-4599-3 November 05, 2020
firefox regressions ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: USN-4599-1 and USN-4599-2 caused some minor regressions in Firefox. Software Description: - firefox: Mozilla Open Source web browser Details: USN-4599-1 and USN-4599-2 fixed vulnerabilities in Firefox. The updates introduced various minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the prompt for opening an external application, obtain sensitive information, or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: firefox 82.0.2+build1-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: firefox 82.0.2+build1-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 82.0.2+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: firefox 82.0.2+build1-0ubuntu0.16.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: https://usn.ubuntu.com/4599-3 https://usn.ubuntu.com/4599-1 https://launchpad.net/bugs/1903197, https://usn.ubuntu.com/4599-2 Package Information: https://launchpad.net/ubuntu/+source/firefox/82.0.2+build1-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/firefox/82.0.2+build1-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/82.0.2+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/firefox/82.0.2+build1-0ubuntu0.16.04.1
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