CVE-2009-3553: Apple Cups

High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS 1.3.7 and 1.3.10 allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly maintaining a reference count. NOTE: some of these details are obtained from third party information.

Affected products

• Apple Cups: version 1.3.7 only; version 1.3.10 only
• Apple Mac OS X: before 10.5.8 (fixed in 10.5.8); from 10.6.0, before 10.6.2 (fixed in 10.6.2)
• Apple Mac OS X Server: before 10.5.8 (fixed in 10.5.8); from 10.6.0, before 10.6.2 (fixed in 10.6.2)
• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 8.10 only; version 9.04 only; version 9.10 only
• Debian Debian Linux: version 5.0 only
• Fedoraproject Fedora: version 10 only
• Red Hat Enterprise Linux: version 5.0 only

Published 2009-11-20. Last modified 2026-06-16.