/usr/lib/libncbi-vdb.so.2 is in sra-toolkit-libs0 2.3.5-2+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libncbi-vdb.so.2.3.5
/usr/lib/libncbi-vdb.so.2.3.5