The NetworkSyncCommandQueue function in network/network_command.cpp in OpenTTD before 1.0.3 does not properly clear a pointer in a linked list, which allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted request, related to the client command queue.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This vulnerability has a 3.35% probability of being exploited in the next 30 days, ranking higher than 88% of all scored CVEs.