CVE-2009-0144: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

CFNetwork in Apple Mac OS X 10.5 before 10.5.7 does not properly parse noncompliant Set-Cookie headers, which allows remote attackers to obtain sensitive information by sniffing the network for "secure cookies" that are sent over unencrypted HTTP connections.

Affected products

• Apple Mac OS X: version 10.5.6 only; version 10.5 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; version 10.5.4 only; …
• Apple Mac OS X Server: version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; version 10.5.4 only; version 10.5.6 only

Published 2009-05-13. Last modified 2026-06-16.