CVE-2010-0056: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Buffer overflow in Cocoa spell checking in AppKit in Apple Mac OS X 10.5.8 allows user-assisted remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted document.

Affected products

• Apple Mac OS X: version 10.5.8 only
• Apple Mac OS X Server: version 10.5.8 only

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