JavaScriptCore in WebKit on Apple iPhone before 2.0 and iPod touch before 2.0 does not properly perform runtime garbage collection, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors that trigger memory corruption, a different vulnerability than CVE-2008-2317.
https://exchange.xforce.ibmcloud.com/vulnerabilities/43738
http://www.vupen.com/english/advisories/2008/2094/references
http://www.securityfocus.com/bid/30186
http://secunia.com/advisories/31074
http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html