CVE-2009-0164: Apple Cups

Medium severity, CVSS 6.4. EPSS: 2.9% chance of exploitation in the next 30 days.

The web interface for CUPS before 1.3.10 does not validate the HTTP Host header in a client request, which makes it easier for remote attackers to conduct DNS rebinding attacks.

Affected products

• Apple Cups: up to and including 1.3.9; version 1.1 only; version 1.1.1 only; version 1.1.2 only; version 1.1.3 only; version 1.1.4 only; …

Published 2009-04-24. Last modified 2026-06-16.