CVE-2010-1834: Apple Mac OS X

Medium severity, CVSS 5.8. EPSS: 1.2% chance of exploitation in the next 30 days.

CFNetwork in Apple Mac OS X 10.6.x before 10.6.5 does not properly validate the domains of cookies, which makes it easier for remote web servers to track users by setting a cookie that is associated with a partial IP address.

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
• 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

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