/usr/share/doc/libgif-dev/NEWS.gz is in libgif-dev 5.1.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgif-dev/../libgif7/NEWS.gz
/usr/share/doc/libgif-dev/../libgif7/NEWS.gz