Papyrus NASCAR Racing 4 4.1.3.1.6 and earlier, 2002 Season 1.1.0.2 and earlier, and 2003 Season 1.2.0.1 and earlier allows remote attackers…

Papyrus NASCAR Racing 4 4.1.3.1.6 and earlier, 2002 Season 1.1.0.2 and earlier, and 2003 Season 1.2.0.1 and earlier allows remote attackers to cause a denial of service (CPU consumption) by sending an empty UDP datagram, which is not properly discarded due to use of the FIONREAD asynchronous socket.