/usr/share/lintian/overrides/base-files is in base-files 8+deb8u11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | #
# Permissions 0700 on /root are intentional as people expect
# the /root directory to be more private than /home/* directories.
#
base-files: non-standard-dir-perm root/ 0700 != 0755
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