/usr/share/lintian/overrides/libcurl3-nss is in libcurl3-nss 7.52.1-5+deb9u9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
libcurl3-nss: package-name-doesnt-match-sonames libcurl-nss4