CVE-2009-2203: Apple Quicktime

High severity, CVSS 9.3. EPSS: 5.7% chance of exploitation in the next 30 days.

Buffer overflow in Apple QuickTime before 7.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted MPEG-4 video file.

Affected products

• Apple Quicktime: up to and including 7.6.2; affected versions not specified; version 3.0 only; version 4.1.2 only; version 5.0 only; version 5.0.1 only; …

Published 2009-09-10. Last modified 2026-06-16.