========================================================================== Ubuntu Security Notice USN-4599-1 October 23, 2020
firefox vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Firefox could be made to crash or run programs as your login if it opened a malicious website. Software Description: - firefox: Mozilla Open Source web browser 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+build2-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: firefox 82.0+build2-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: firefox 82.0+build2-0ubuntu0.18.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: https://usn.ubuntu.com/4599-1 CVE-2020-15254, CVE-2020-15680, CVE-2020-15681, CVE-2020-15682, CVE-2020-15683, CVE-2020-15684, CVE-2020-15969 Package Information: https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/firefox/82.0+build2-0ubuntu0.18.04.1
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