The DataSim and DataPid demonstration clients in Cogent Real-Time Systems Cogent DataHub before 7.3.0, OPC DataHub before 6.4.22, Cascade DataHub before 6.4.22 on Windows, and DataHub QuickTrend before 7.3.0 allow remote servers to cause a denial of service (incorrect pointer access and client crash) via malformed data in a formatted text command. |