This file is indexed.

/usr/lib/thunderbird/ is in thunderbird-l10n-ko 1:52.9.1-1~deb9u1.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/usr/lib/thunderbird/extensions/ root:root 0o755
/usr/lib/thunderbird/extensions/langpack-ko@thunderbird.mozilla.org.xpi root:root 0o777