Buffer overflow in the validateospheader function in the Open Settlement Protocol (OSP) module in OpenSER 1.1.0 and earlier allows remote attackers to execute arbitrary code via a crafted OSP header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31151
http://www.securityfocus.com/bid/21801
http://www.securityfocus.com/archive/1/455412/100/0/threaded