This update for MozillaFirefox fixes the following issues: - Firefox Extended Support Release 78.4.0 ESR * Fixed: Various stability, functionality, and security fixes MFSA 2020-46 * CVE-2020-15969 Use-after-free in usersctp * CVE-2020-15683 Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4 * Fixed: Fixed legacy preferences not being properly applied when set via GPO