Stack consumption vulnerability in WebKit.dll in WebKit in Apple Safari 3.2.3, and possibly other versions before 4.1.2, allows remote attackers to cause a denial of service (application crash) via JavaScript code that calls eval on a long string composed of A/ sequences.
http://www.vupen.com/english/advisories/2011/0212
http://www.exploit-db.com/exploits/9606
http://secunia.com/advisories/43068
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html