/usr/share/mozilla-devscripts/xul-app-data.csv.Debian is in mozilla-devscripts 0.44.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | id,package,sol,eol
{ec8030f7-c20a-464f-9b0e-13a3a9e97384},iceweasel,2.0,*
{3550f703-e582-4d05-9a08-453d09bdfdc6},icedove,1.5.0.7,*
{a79fe89b-6662-4ff4-8e88-09950ad4dfde},conkeror,0.9,*
{718e30fb-e89b-41dd-9da7-e25a45638b28},iceowl,1.5,*
|