Stack-based buffer overflow in the MPS.StormPlayer.1 ActiveX control in mps.dll 3.9.4.27 in Baofeng Storm allows remote attackers to execute arbitrary code via a long argument to the OnBeforeVideoDownload method, as exploited in the wild in April and May 2009. NOTE: some of these details are obtained from third party information. NOTE: it was later reported that 3.09.04.17 and earlier are also affected.