/usr/lib/libgdcmjpeg8.so is in libgdcm2-dev 2.2.4-1.1ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgdcmjpeg8.so.2.2
/usr/lib/libgdcmjpeg8.so.2.2