CVE-2010-0302

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-03-05 · updated 2026-06-16
Weakness: CWE-416

Description

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 before 1.4.4, when kqueue or epoll is used, 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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2009-3553.

Affected products

cups: before 1.4.4 — fixed in 1.4.4
macOS: before 10.5.8; from 10.6.0 before 10.6.4 — fixed in 10.5.8, 10.6.4
Apple Mac Os X Server: before 10.5.8; from 10.6.0 before 10.6.4 — fixed in 10.5.8, 10.6.4
Canonical Ubuntu Linux: 6.06, 8.04, 8.10, 9.04, 9.10
Fedoraproject Fedora: 11
Red Hat Enterprise Linux: 5.0
RedHat Enterprise Linux Desktop: 5.0
RedHat Enterprise Linux Eus: 5.4
RedHat Enterprise Linux Server: 5.0
RedHat Enterprise Linux Workstation: 5.0

How to fix

Upgrade to a fixed version: cups 1.4.4; macOS 10.5.8, 10.6.4; Apple Mac Os X Server 10.5.8, 10.6.4. Check the vendor advisory for mitigations.

References

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