/usr/share/ is in libreoffice-core 1:5.1.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/bug/
/usr/share/bug/libreoffice-core/
/usr/share/bug/libreoffice-core/control
/usr/share/bug/libreoffice-core/presubj
/usr/share/bug/libreoffice-core/script
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libreoffice-core
/usr/share/applications/
/usr/share/doc/
/usr/share/doc/libreoffice-core/
/usr/share/doc/libreoffice-core/copyright
/usr/share/doc/libreoffice-core/README.gz
/usr/share/libreoffice/
/usr/share/libreoffice/program/
/usr/share/libreoffice/program/classes/
/usr/share/doc/libreoffice-core/changelog.Debian.gz