/usr/share/dbconfig-common/ is in icinga-web 1.11.2+dfsg1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbconfig-common/data/
/usr/share/dbconfig-common/data/icinga-web/
/usr/share/dbconfig-common/data/icinga-web/install/
/usr/share/dbconfig-common/data/icinga-web/install/mysql
/usr/share/dbconfig-common/data/icinga-web/install/pgsql
/usr/share/dbconfig-common/data/icinga-web/upgrade/
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.10.0~0schema
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.10.1
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.7.0-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.7.2-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.8.0~beta-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.8.1~schema0
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.8.3~schema0
/usr/share/dbconfig-common/data/icinga-web/upgrade/mysql/1.9.0~0schema
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.10.0~0schema
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.10.1
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.7.1-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.7.2-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.8.0~beta-1
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.8.1~schema0
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.8.3~schema0
/usr/share/dbconfig-common/data/icinga-web/upgrade/pgsql/1.9.0~0schema