Use-after-free vulnerability in WebKit in Apple iPod touch 1.1 through 2.0.2, and iPhone 1.0 through 2.0.2, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a web page with crafted Cascading Style Sheets (CSS) import statements.
The Networking subsystem in Apple iPod touch 2.0 through 2.0.2, and iPhone 2.0 through 2.0.2, uses predictable TCP initial sequence numbers, which allows remote attackers to spoof or hijack a TCP connection.