Multiple buffer overflows in Trend Micro ServerProtect 5.58 before Security Patch 2- Build 1174 allow remote attackers to execute arbitrary code via a crafted RPC message processed by the (1) the RPCFN_ActiveRollback function in (a) stcommon.dll, or the (2) ENG_SetRealTimeScanConfigInfo or (3) ENG_SendEmail functions in (b) eng50.dll.