FF in the Add-ons-> Plug-Ins shows Shockwave Flash is vulnerable and needs update. When I select "update", FF blocks the update because "Shockwave Flash is vulnerable"!! (See attachments) What is Mozilla doing?
http://download.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_23_active_x.exe
http://download.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_23_plugin.exe