Stack-based buffer overflow in WinSig.exe in eSignal 7.5 and 7.6 allows remote attackers to execute arbitrary code via a long STREAMQUOTE tag.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15624
http://secunia.com/advisories/11222
http://marc.info/?l=bugtraq&m=108025234317408&w=2
http://archives.neohapsis.com/archives/bugtraq/2004-04/0056.html