CVE-2014-4979: Apple Quicktime

High severity, CVSS 9.3. EPSS: 3.6% chance of exploitation in the next 30 days.

Apple QuickTime allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a malformed version number and flags in an mvhd atom.

Affected products

• Apple Quicktime: any version

Published 2014-07-26. Last modified 2026-06-17.