/usr/lib/x86_64-linux-gnu/libjbig2dec.so.0 is in libjbig2dec0 0.12+20150918-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libjbig2dec.so.0.0.0
/usr/lib/x86_64-linux-gnu/libjbig2dec.so.0.0.0