CVE-2009-1683
The Telephony component in Apple iPhone OS 1.0 through 2.2.1 and iPhone OS for iPod touch 1.1 through 2.2.1 allows remote attackers to cause a denial of service (device reset) via a crafted ICMP echo request, which triggers an assertion error related to a "logic issue."
Date published : 2009-06-19
http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html