/usr/share/doc/libkrb5-dev/NEWS.Debian.gz is in libkrb5-dev 1.10+dfsg~beta1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libkrb5-dev/../libkrb5-3/NEWS.Debian.gz
/usr/share/doc/libkrb5-dev/../libkrb5-3/NEWS.Debian.gz