This update for MozillaFirefox to version ESR 52.6 fixes several issues.
These security issues were fixed:
{ "binaries": [ { "MozillaFirefox-devel": "52.6.0esr-72.20.2" } ] }
{ "binaries": [ { "MozillaFirefox": "52.6.0esr-72.20.2", "MozillaFirefox-translations": "52.6.0esr-72.20.2" } ] }