Multiple stack-based buffer overflows in the KSign KSignSWAT ActiveX Control (AxKSignSWAT.dll) 2.0.3.3 allow remote attackers to execute arbitrary code via long arguments to the (1) SWAT_Init, (2) SWAT_InitEx, (3) SWAT_InitEx2, (4) SWAT_InitEx3, and (5) SWAT_Login functions.