/usr/share/doc/libcurl-openssl1.0-dev/NEWS.Debian.gz is in libcurl-openssl1.0-dev 7.58.0-2ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libcurl-openssl1.0-dev/../libcurl3/NEWS.Debian.gz