WebKit before r41741, as used in Apple iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Safari, and other software, allows remote attackers to cause a denial of service (memory consumption or device reset) via a web page containing an HTMLSelectElement object with a large length attribute, related to the length property of a Select object.
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://secunia.com/advisories/36977
http://secunia.com/advisories/37746
http://secunia.com/advisories/43068
http://support.apple.com/kb/HT3639
https://www.exploit-db.com/exploits/9160
http://www.debian.org/security/2009/dsa-1950