/usr/lib/x86_64-linux-gnu/perl5/5.20/Imager/File/CUR.pm is in libimager-perl 1.000+dfsg-2+b3.
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 6 7 | package Imager::File::CUR;
use strict;
# all the work is done by Imager::File::ICO
use Imager::File::ICO;
1;
|