CVE-2010-0520: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 18.6% chance of exploitation in the next 30 days.

Heap-based buffer overflow in QuickTimeAuthoring.qtx in QuickTime in Apple Mac OS X before 10.6.3 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted FLC file, related to crafted DELTA_FLI chunks and untrusted length values in a .fli file, which are not properly handled during decompression.

Affected products

• Apple Mac OS X: version 10.6.0 only; version 10.6.1 only; version 10.6.2 only
• Apple Mac OS X Server: version 10.6.0 only; version 10.6.1 only; version 10.6.2 only

Published 2010-03-30. Last modified 2026-06-16.