CVE-2025-58436

OpenPrinting CUPS slow client can halt cupsd, leading to a possible DoS attack

Published Nov 29, 2025 CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as a whole, such that it becomes unusable by other clients. This issue has been patched in version 2.4.15.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Ubuntu USN Ubuntu USN USN-7912-1 CUPS vulnerability
Ubuntu USN Ubuntu USN USN-7912-2 CUPS vulnerability
History
Type Values Removed Values Added
CPEs cpe:2.3:a:openprinting:cups:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Linux
Linux linux
Openprinting
Openprinting cups
Vendors & Products Linux
Linux linux
Openprinting
Openprinting cups
Type Values Removed Values Added
Description OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as a whole, such that it becomes unusable by other clients. This issue has been patched in version 2.4.15.
Title OpenPrinting CUPS slow client can halt cupsd, leading to a possible DoS attack
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 5.1, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Dec 3, 2025, 3:23 PM
Reserved
Sep 1, 2025, 8:03 PM
Status
Analyzed
Published
Nov 29, 2025, 3:15 AM
Modified
Oct 7, 2026, 8:10 PM
Severity
Moderate
Public date
Dec 1, 2025, 12:00 AM