CVE-2013-1021: Apple Quicktime

High severity, CVSS 9.3. EPSS: 4% chance of exploitation in the next 30 days.

Buffer overflow in Apple QuickTime before 7.7.4 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via crafted JPEG data in a movie file.

Affected products

• Apple Quicktime: up to and including 7.7.3; version 3.0 only; version 4.1.2 only; version 5.0 only; version 5.0.1 only; version 5.0.2 only; …

Published 2013-05-24. Last modified 2026-06-16.