CVE-2010-0049: Apple Safari

High severity, CVSS 9.3. EPSS: 10.9% chance of exploitation in the next 30 days.

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via HTML elements with right-to-left (RTL) text directionality.

Affected products

• Apple Safari: up to and including 4.0.4; version 4.0 only; version 4.0.0b only; version 4.0.1 only; version 4.0.2 only; version 4.0.3 only

Published 2010-03-15. Last modified 2026-06-16.