CVE-2017-18248

cups: Invalid usernames handled in scheduler/ipp.c:add_job() allow remote attackers to cause a denial of service

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · October 16, 2017

Updated · November 22, 2025

Description

The add_job function in scheduler/ipp.c in CUPS before 2.2.6, when D-Bus support is enabled, can be crashed by remote attackers by sending print jobs with an invalid username, related to a D-Bus notification.

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 3.0 · 5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-20 · Improper Input Validation