https://blog.waterfoxproject.org/waterfox-56.2.3-release-download

Waterfox 56.2.3 Release
Large amounts of security fixes and bug fixes

What's new in Waterfox 56.2.3?
Waterfox has been patches with all the latest ESR security fixes.
View changes
　Mozilla Foundation Security Advisories patched:
　　2018-21