CVE-2011-0199: Apple Mac OS X

Medium severity, CVSS 5.9. EPSS: 0.8% chance of exploitation in the next 30 days.

The Certificate Trust Policy component in Apple Mac OS X before 10.6.8 does not perform CRL checking for Extended Validation (EV) certificates that lack OCSP URLs, which might allow man-in-the-middle attackers to spoof an SSL server via a revoked certificate.

Affected products

• Apple Mac OS X: from 10.6.0, before 10.6.8 (fixed in 10.6.8)
• Apple Mac OS X Server: from 10.6.0, before 10.6.8 (fixed in 10.6.8)

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