CVE-2010-1840: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the password-validation functionality in Directory Services in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

Affected products

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

Published 2010-11-15. Last modified 2026-06-16.