CVE-2011-0201: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Off-by-one error in the CoreFoundation framework in Apple Mac OS X before 10.6.8 allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a CFString object that triggers a buffer overflow.

Affected products

• Apple Mac OS X: version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only; version 10.6.5 only; …
• Apple Mac OS X Server: version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only; version 10.6.5 only; …

Published 2011-06-24. Last modified 2026-06-16.