ofproto_port_cfm_status_changed(struct ofproto *ofproto, ofp_port_t ofp_port)
{
    struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
    return (ofport && ofproto->ofproto_class->cfm_status_changed
            ? ofproto->ofproto_class->cfm_status_changed(ofport)
            : true);
}

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.