/usr/share/lintian/overrides/ufw is in ufw 0.33-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # Don't need to supply 'stop' for a firewall
ufw binary: postrm-does-not-call-updaterc.d-for-init.d-script
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