CVE-2007-4677: Apple Mac OS X

High severity, CVSS 9.3. EPSS: 46.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in Apple QuickTime before 7.3 allows remote attackers to execute arbitrary code via an invalid color table size when parsing the color table atom (CTAB) in a movie file, related to the CTAB RGB values.

Affected products

• Apple Mac OS X: version 10.3.9 only; version 10.4.10 only; version 10.5 only
• Microsoft Windows Vista: affected versions not specified
• Microsoft Windows XP: affected versions not specified

Published 2007-11-07. Last modified 2026-06-16.