/usr/share/zabbix/fonts/DejaVuSans.ttf is in zabbix-frontend-php 1:2.2.2+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/zabbix/fonts/../../fonts/truetype/ttf-dejavu/DejaVuSans.ttf