CVE-2005-2506: Apple Mac OS X

Medium severity, CVSS 5.0. EPSS: 1.3% chance of exploitation in the next 30 days.

Algorithmic complexity vulnerability in CoreFoundation in Mac OS X 10.3.9 and 10.4.2 allows attackers to cause a denial of service (CPU consumption) via crafted Gregorian dates.

Affected products

• Apple Mac OS X: version 10.3.9 only; version 10.4.2 only
• Apple Mac OS X Server: version 10.3.9 only; version 10.4.2 only

Published 2005-08-19. Last modified 2026-06-16.