CVE-2011-0233: Apple Safari

High severity, CVSS 9.3. EPSS: 3.9% chance of exploitation in the next 30 days.

WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2011-07-20-1.

Affected products

• Apple Safari: up to and including 5.0.5; version 1.0 only; version 1.0.0 only; version 1.0.0b1 only; version 1.0.0b2 only; version 1.0.1 only; …
• Apple Webkit: any version

Published 2011-07-21. Last modified 2026-06-16.