Buffer overflow in the NotSafe function in the idaiehlp ActiveX control in idaiehlp.dll 1.9.1.74 in Internet Download Accelerator (ida) 5.2 allows remote attackers to cause a denial of service (Internet Explorer crash) via a long argument.
https://www.exploit-db.com/exploits/4056
https://exchange.xforce.ibmcloud.com/vulnerabilities/34796
http://www.exploit-db.com/exploits/14938