CVE-2009-1698: Apple iPhone OS

High severity, CVSS 9.3. EPSS: 8.5% chance of exploitation in the next 30 days.

WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 does not initialize a pointer during handling of a Cascading Style Sheets (CSS) attr function call with a large numerical argument, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document.

Affected products

• Apple iPhone OS: version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1.0 only; version 1.1.1 only; version 1.1.2 only; …
• Apple Ipod Touch
• Apple Safari: up to and including 3.2.2; version 2.0 only; version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; …

Published 2009-06-10. Last modified 2026-06-16.