Advisory Published

USN-6710-2: Firefox regressions

First published: Thu Apr 04 2024(Updated: )

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)

Affected SoftwareAffected VersionHow to fix
All of
Ubuntu Ubuntu=20.04

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