Buffer overflow in the 32bit FTP client 9.49.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long FTP server banner.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11234
http://www.securityfocus.com/bid/6764
http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0054.html