========================================================================== Ubuntu Security Notice USN-6710-2 April 04, 2024
firefox regressions ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: USN-6710-1 caused some minor regressions in Firefox. Software Description: - firefox: Mozilla Open Source web browser Details: USN-6710-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. Original advisory details: Manfred Paul discovered that Firefox did not properly perform bounds checking during range analysis, leading to an out-of-bounds write vulnerability. A attacker could use this to cause a denial of service, or execute arbitrary code. (CVE-2024-29943)Manfred Paul discovered that Firefox incorrectly handled MessageManager
listeners under certain circumstances. An attacker who was able to inject an event handler into a privileged object may have been able to execute arbitrary code. (CVE-2024-29944) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: firefox 124.0.2+build1-0ubuntu0.20.04.1 After a standard system update you need to restart Firefox to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6710-2 https://ubuntu.com/security/notices/USN-6710-1 https://launchpad.net/bugs/2060171 Package Information: https://launchpad.net/ubuntu/+source/firefox/124.0.2+build1-0ubuntu0.20.04.1
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