ofputil_nx_flow_format_to_protocol(enum nx_flow_format flow_format)
{
    switch (flow_format) {
    case NXFF_OPENFLOW10:
        return OFPUTIL_P_OF10_STD;

    case NXFF_NXM:
        return OFPUTIL_P_OF10_NXM;

    default:
        return 0;
    }
}

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.