- updated to 1.8.4, fixes:

- updated to 1.8.4, fixes:
  -  memory corruption in process_bitmap_data - CVE-2018-8794
  -  remote code execution in process_bitmap_data - CVE-2018-8795
  -  remote code execution in process_plane - CVE-2018-8797
  -  Denial of Service in mcs_recv_connect_response - CVE-2018-20175
  -  Denial of Service in mcs_parse_domain_params - CVE-2018-20175
  -  Denial of Service in sec_parse_crypt_info - CVE-2018-20176
  -  Denial of Service in sec_recv - CVE-2018-20176
  -  minor information leak in rdpdr_process - CVE-2018-8791
  -  Denial of Service in cssp_read_tsrequest - CVE-2018-8792
  -  remote code execution in cssp_read_tsrequest - CVE-2018-8793
  -  Denial of Service in process_bitmap_data - CVE-2018-8796
  -  minor information leak in rdpsnd_process_ping - CVE-2018-8798
  -  Denial of Service in process_secondary_order - CVE-2018-8799
  -  remote code execution in in ui_clip_handle_data - CVE-2018-8800
  -  major information leak in ui_clip_handle_data - CVE-2018-20174
  -  memory corruption in rdp_in_unistr - CVE-2018-20177
  -  Denial of Service in process_demand_active - CVE-2018-20178
  -  remote code execution in lspci_process - CVE-2018-20179
  -  remote code execution in rdpsnddbg_process - CVE-2018-20180
  -  remote code execution in seamless_process - CVE-2018-20181
  -  remote code execution in seamless_process_line - CVE-2018-20182