CVE-2009-1687: Apple Safari

High severity, CVSS 9.3. EPSS: 8.1% chance of exploitation in the next 30 days.

The JavaScript garbage collector in 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 properly handle allocation failures, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted HTML document that triggers write access to an "offset of a NULL pointer."

Affected products

• Apple Safari: up to and including 4.0_beta; version 0.8 only; version 0.9 only; version 1.0 only; version 1.0.3 only; version 1.1 only; …

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