CVE-2009-2470
Mozilla Firefox before 3.0.12, and 3.5.x before 3.5.2, allows remote SOCKS5 proxy servers to cause a denial of service (data stream corruption) via a long domain name in a reply.
Date published : 2009-08-04
http://www.securityfocus.com/bid/35925
http://www.mozilla.org/security/announce/2009/mfsa2009-38.html