CVE-2006-4408: Apple Mac OS X

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

The Security Framework in Apple Mac OS X 10.4 through 10.4.8 allows remote attackers to cause a denial of service (resource consumption) via certain public key values in an X.509 certificate that requires extra resources during signature verification. NOTE: this issue may be similar to CVE-2006-2940.

Affected products

• Apple Mac OS X: version 10.4 only; version 10.4.1 only; version 10.4.2 only; version 10.4.3 only; version 10.4.4 only; version 10.4.5 only; …

Published 2006-11-30. Last modified 2026-06-16.