/usr/share/fwbuilder-5.3.7/configlets/pix_os/ is in fwbuilder-common 5.3.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/fwbuilder-5.3.7/configlets/pix_os/failover_commands_6
/usr/share/fwbuilder-5.3.7/configlets/pix_os/failover_commands_7
/usr/share/fwbuilder-5.3.7/configlets/pix_os/failover_interface_6
/usr/share/fwbuilder-5.3.7/configlets/pix_os/failover_interface_7
/usr/share/fwbuilder-5.3.7/configlets/pix_os/installer_commands_post_config
/usr/share/fwbuilder-5.3.7/configlets/pix_os/installer_commands_pre_config
/usr/share/fwbuilder-5.3.7/configlets/pix_os/installer_commands_reg_user
/usr/share/fwbuilder-5.3.7/configlets/pix_os/ntp
/usr/share/fwbuilder-5.3.7/configlets/pix_os/regular_interface_6
/usr/share/fwbuilder-5.3.7/configlets/pix_os/regular_interface_7
/usr/share/fwbuilder-5.3.7/configlets/pix_os/script_skeleton
/usr/share/fwbuilder-5.3.7/configlets/pix_os/snmp
/usr/share/fwbuilder-5.3.7/configlets/pix_os/ssh
/usr/share/fwbuilder-5.3.7/configlets/pix_os/top_comment
/usr/share/fwbuilder-5.3.7/configlets/pix_os/vlan_parent_interface_6
/usr/share/fwbuilder-5.3.7/configlets/pix_os/vlan_parent_interface_7
/usr/share/fwbuilder-5.3.7/configlets/pix_os/vlan_subinterface_6
/usr/share/fwbuilder-5.3.7/configlets/pix_os/vlan_subinterface_7