CVE-2009-1708: Apple Safari

High severity, CVSS 9.3. EPSS: 5.4% chance of exploitation in the next 30 days.

Apple Safari before 4.0 does not prevent calls to the open-help-anchor URL handler by web sites, which allows remote attackers to open arbitrary local help files, and execute arbitrary code or obtain sensitive information, via a crafted call.

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.