CVE-2010-1939: Apple Safari

High severity, CVSS 7.6. EPSS: 14.7% chance of exploitation in the next 30 days.

Use-after-free vulnerability in Apple Safari 4.0.5 on Windows allows remote attackers to execute arbitrary code by using window.open to create a popup window for a crafted HTML document, and then calling the parent window's close method, which triggers improper handling of a deleted window object.

Affected products

• Apple Safari: version 4.0.5 only

Published 2010-05-13. Last modified 2026-06-16.