This update for MozillaFirefox fixes the following issues: Firefox was updated to version 68.5.0 ESR . Security issues fixed: - CVE-2020-6796: Fixed a missing bounds check on shared memory in the parent process . - CVE-2020-6798: Fixed a JavaScript code injection issue caused by the incorrect parsing of template tags . - CVE-2020-6799: Fixed a local arbitrary code execution issue when handling PDF links from other applications . - CVE-2020-6800: Fixed several memory safety bugs . Non-security issues fixed: - Fixed various issues opening files with spaces in their path .