The following updates has been released for Debian GNU/Linux
Debian GNU/Linux 7 LTS:Firefox-ESR / GCab Packages for Debian
DLA 1256-1: firefox-esr security update
Debian GNU/Linux 8 and 9:
DSA 4096-1: firefox-esr security update
Debian GNU/Linux 9:
DSA 4095-1: gcab security update