Firefox released version 68 and ESR 60.8 which includes multiple security fixes. A report to check your firefox versions can be found here: https://www.lansweeper.com/report/firefox-68-security-update-audit/
If you want to find more info about the specific vulnerabilities that were fixed, you can head over to the blog post which covers all of today's released security updates for Windows, Firefox Adobe and Intel products: https://www.lansweeper.com/vulnerability/multiple-security-patches-for-microsoft-firefox-intel-and-adobe/