/usr/share/lintian/overrides/libdb5.3-java-jni is in libdb5.3-java-jni 5.3.28-12+deb9u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # historical reasons
libdb5.3-java-jni: package-name-doesnt-match-sonames libdb-java-5.3
|