CVE-2026-107886

cups: cups: Denial of Service via double-free in printer class management

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Severity

Low

Red Hat Product Security

2.3

CVSS 3.1

Review impact separately from score.

Published · October 9, 2026

Updated · October 21, 2026

Description

A flaw was found in CUPS. An authenticated user authorized to manage printer classes can cause a Denial of Service (DoS) by triggering a double-free memory error during printer class management. By submitting a class modification request with invalid parameters followed by a class deletion request, the user can crash the print scheduler service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 2.3
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CWE-1341 · Multiple Releases of Same Resource or Handle