ParseFTPList.cpp in Mozilla Firefox 2.0.0.7 allows remote FTP servers to cause a denial of service (application crash) via a crafted reply to an unspecified listing command, related to "reading from invalid pointer."
https://exchange.xforce.ibmcloud.com/vulnerabilities/37334
http://www.securityfocus.com/bid/26159
http://www.securityfocus.com/archive/1/482597/100/0/threaded
http://www.eleytt.com/advisories/eleytt_FFPARSEFTPLIST.pdf