The following updates has been released for Debian GNU/Linux:
Debian GNU/Linux 7 LTS:Thunderbird / Tcpdump / File / Ruby2.3 Updates for Debian
DLA 1087-1: icedove/thunderbird security update
DLA 1090-1: tcpdump security update
Debian GNU/Linux 9:
DSA 3965-1: file security update
DSA 3966-1: ruby2.3 security update