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Cups CVE-2025-58436

MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2025-11-29 security-advisories@github.com
Denial Of Service Cups Openprinting
5.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-400
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V2 - Validation and Business Logic Resource consumption limits
MITRE ATT&CK

1 technique across 1 tactic: Impact

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 5.1 (MEDIUM). Attack characteristics: local attack vector, high complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.02%.
Exploit ScenarioDerived

A local attacker with access to the system could cause denial of service by exhausting system resources. No authentication is required to exploit this vulnerability.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: Openprinting Cups. Version information: version 2.4.15.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SUSE 5.1 MEDIUM
AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Red Hat 5.1 MEDIUM

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
CVSS changed
Oct 07, 2026 - 20:22 NVD
5.1 (MEDIUM) 5.5 (MEDIUM)
Patch released
Mar 28, 2026 - 19:24 nvd
Patch available
PoC Detected
Dec 04, 2025 - 17:24 vuln.today
Public exploit code
CVE Published
Nov 29, 2025 - 03:15 nvd
MEDIUM 5.1

DescriptionNVD

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.

Executive ViewAI

Why It Matters

Organizations using OpenPrinting CUPS should be aware of moderate risk from CVE-2025-58436, a resource exhaustion vulnerability rated CVSS 5.1. Service availability could be impacted. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: implement rate limiting and resource quotas.

Threat Intelligence Overview

EPSS Score
0.0%
Top 95% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium
NVD CVE.org EPSS Vendor GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact
Low

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:a:openprinting:cups:*:*:*:*:*:*:*:*

More in Cups

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CVE-2015-1158 CRITICAL POC
10.0 Jun 26

The add_job function in scheduler/ipp.c in cupsd in CUPS before 2.0.3 performs incorrect free operations for multiple-va
CVE-2015-1159 MEDIUM POC
4.3 Jun 26

Cross-site scripting (XSS) vulnerability in the cgi_puts function in cgi-bin/template.c in the template engine in CUPS b
CVE-2012-5519 HIGH POC
7.2 Nov 20

CUPS 1.4.4, when running in certain Linux distributions such as Debian GNU/Linux, stores the web interface administrator
CVE-2023-34241 HIGH POC
7.1 Jun 22

OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Rat
CVE-2023-4504 HIGH POC
7.0 Sep 21

Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are sus
CVE-2025-61915 MEDIUM POC
6.7 Nov 29

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severi
CVE-2025-58364 MEDIUM POC
6.5 Sep 11

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Rated medium severi
CVE-2023-32324 MEDIUM POC
5.5 Jun 01

OpenPrinting CUPS is an open source printing system. Rated medium severity (CVSS 5.5), this vulnerability is no authenti
CVE-2018-6553 HIGH
8.8 Aug 10

The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links. Rated high severity (CVSS 8.8
CVE-2014-9679 MEDIUM
6.8 Feb 19

Integer underflow in the cupsRasterReadPixels function in filter/raster.c in CUPS before 2.0.2 allows remote attackers t
CVE-2022-26691 MEDIUM
6.7 May 26

A logic issue was addressed with improved state management. Rated medium severity (CVSS 6.7), this vulnerability is low

CVE-2026-107886 MEDIUM
6.5 Oct 09

Denial of service in OpenPrinting CUPS before 2.4.20 lets an actor holding @SYSTEM-level class-management privileges cra

Same weakness CWE-400 – Uncontrolled Resource Consumption

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CVE-2023-44487 HIGH POC
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CVE-2021-21341 HIGH POC
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CVE-2022-29885 HIGH POC
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CVE-2026-45498 HIGH POC
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CVE-2016-8610 HIGH
7.5
CVE-2026-28318 HIGH POC
7.5
CVE-2023-38180 HIGH
7.5
CVE-2025-26673 HIGH
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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container suse/sl-micro/6.0/base-os-container:2.1.3-5.12 Affected
Image SLES-Azure-3P Image SLES-Azure-Basic Image SLES-Azure-Standard Image SLES-BYOS-Azure Image SLES-BYOS-EC2 Image SLES-BYOS-GCE Image SLES-EC2 Image SLES-GCE Image SLES-Hardened-BYOS-Azure Image SLES-Hardened-BYOS-EC2 Image SLES-Hardened-BYOS-GCE Image SLES-SAP-Azure Image SLES-SAP-Azure-3P Image SLES-SAP-BYOS-Azure Image SLES-SAP-BYOS-EC2 Image SLES-SAP-BYOS-GCE Image SLES-SAP-GCE Image SLES-SAPCAL-Azure Image SLES-SAPCAL-EC2 Image SLES-SAPCAL-GCE Affected
Image SLES15-SP4-BYOS Image SLES15-SP4-BYOS-Azure Image SLES15-SP4-BYOS-EC2 Image SLES15-SP4-BYOS-GCE Image SLES15-SP4-HPC-BYOS Image SLES15-SP4-HPC-BYOS-Azure Image SLES15-SP4-HPC-BYOS-EC2 Image SLES15-SP4-HPC-BYOS-GCE Image SLES15-SP4-HPC-EC2 Image SLES15-SP4-HPC-GCE Image SLES15-SP4-Hardened-BYOS Image SLES15-SP4-Hardened-BYOS-Azure Image SLES15-SP4-Hardened-BYOS-EC2 Image SLES15-SP4-Hardened-BYOS-GCE Image SLES15-SP4-Manager-Server-4-3-BYOS Image SLES15-SP4-Manager-Server-4-3-BYOS-Azure Image SLES15-SP4-Manager-Server-4-3-BYOS-EC2 Image SLES15-SP4-Manager-Server-4-3-BYOS-GCE Image SLES15-SP4-SAP Image SLES15-SP4-SAP-Azure Image SLES15-SP4-SAP-Azure-LI-BYOS Image SLES15-SP4-SAP-Azure-LI-BYOS-Production Image SLES15-SP4-SAP-Azure-VLI-BYOS Image SLES15-SP4-SAP-Azure-VLI-BYOS-Production Image SLES15-SP4-SAP-BYOS Image SLES15-SP4-SAP-BYOS-Azure Image SLES15-SP4-SAP-BYOS-EC2 Image SLES15-SP4-SAP-BYOS-GCE Image SLES15-SP4-SAP-EC2 Image SLES15-SP4-SAP-GCE Image SLES15-SP4-SAP-Hardened Image SLES15-SP4-SAP-Hardened-Azure Image SLES15-SP4-SAP-Hardened-BYOS Image SLES15-SP4-SAP-Hardened-BYOS-Azure Image SLES15-SP4-SAP-Hardened-BYOS-EC2 Image SLES15-SP4-SAP-Hardened-BYOS-GCE Image SLES15-SP4-SAP-Hardened-GCE Image SLES15-SP4-SAPCAL Image SLES15-SP4-SAPCAL-Azure Image SLES15-SP4-SAPCAL-EC2 Image SLES15-SP4-SAPCAL-GCE Image SLES15-SP5-Hardened-BYOS-Azure Image SLES15-SP5-Hardened-BYOS-EC2 Image SLES15-SP5-Hardened-BYOS-GCE Image SLES15-SP5-SAP-Azure-3P Image SLES15-SP5-SAP-BYOS-Azure Image SLES15-SP5-SAP-BYOS-EC2 Image SLES15-SP5-SAP-BYOS-GCE Image SLES15-SP5-SAP-Hardened-Azure Image SLES15-SP5-SAP-Hardened-BYOS-Azure Image SLES15-SP5-SAP-Hardened-BYOS-EC2 Image SLES15-SP5-SAP-Hardened-BYOS-GCE Image SLES15-SP5-SAP-Hardened-GCE Image SLES15-SP5-SAPCAL-Azure Image SLES15-SP5-SAPCAL-EC2 Image SLES15-SP5-SAPCAL-GCE Image SLES15-SP6-Hardened-BYOS Image SLES15-SP6-Hardened-BYOS-Azure Image SLES15-SP6-Hardened-BYOS-EC2 Image SLES15-SP6-Hardened-BYOS-GCE Image SLES15-SP6-SAP Image SLES15-SP6-SAP-Azure Image SLES15-SP6-SAP-Azure-3P Image SLES15-SP6-SAP-Azure-LI-BYOS Image SLES15-SP6-SAP-Azure-LI-BYOS-Production Image SLES15-SP6-SAP-Azure-VLI-BYOS Image SLES15-SP6-SAP-Azure-VLI-BYOS-Production Image SLES15-SP6-SAP-BYOS Image SLES15-SP6-SAP-BYOS-Azure Image SLES15-SP6-SAP-BYOS-EC2 Image SLES15-SP6-SAP-BYOS-GCE Image SLES15-SP6-SAP-EC2 Image SLES15-SP6-SAP-GCE Image SLES15-SP6-SAP-Hardened Image SLES15-SP6-SAP-Hardened-Azure Image SLES15-SP6-SAP-Hardened-BYOS Image SLES15-SP6-SAP-Hardened-BYOS-Azure Image SLES15-SP6-SAP-Hardened-BYOS-EC2 Image SLES15-SP6-SAP-Hardened-BYOS-GCE Image SLES15-SP6-SAP-Hardened-EC2 Image SLES15-SP6-SAP-Hardened-GCE Image SLES15-SP6-SAPCAL Image SLES15-SP6-SAPCAL-Azure Image SLES15-SP6-SAPCAL-EC2 Image SLES15-SP6-SAPCAL-GCE Image SLES15-SP7-Hardened-BYOS-Azure Image SLES15-SP7-Hardened-BYOS-EC2 Image SLES15-SP7-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Azure Image SLES15-SP7-SAP-Azure-3P Image SLES15-SP7-SAP-Azure-LI-BYOS-Production Image SLES15-SP7-SAP-Azure-VLI-BYOS-Production Image SLES15-SP7-SAP-BYOS-Azure Image SLES15-SP7-SAP-BYOS-EC2 Image SLES15-SP7-SAP-BYOS-GCE Image SLES15-SP7-SAP-EC2 Image SLES15-SP7-SAP-GCE Image SLES15-SP7-SAP-GCE-3P Image SLES15-SP7-SAP-Hardened-Azure Image SLES15-SP7-SAP-Hardened-BYOS-Azure Image SLES15-SP7-SAP-Hardened-BYOS-EC2 Image SLES15-SP7-SAP-Hardened-BYOS-GCE Image SLES15-SP7-SAP-Hardened-GCE Image SLES15-SP7-SAPCAL-Azure Image SLES15-SP7-SAPCAL-EC2 Image SLES15-SP7-SAPCAL-GCE Affected
Image SLES15-SP5-SAP-Azure-LI-BYOS Image SLES15-SP5-SAP-Azure-LI-BYOS-Production Image SLES15-SP5-SAP-Azure-VLI-BYOS Image SLES15-SP5-SAP-Azure-VLI-BYOS-Production Affected
SUSE Liberty Linux 8 Fixed

References

Advisories & patches
PATCH https://github.com/OpenPrinting/cups/commit/40008d76a001babbb9beb9d9d74b01a86fb6ddb4 ADVISORY https://access.redhat.com/errata/RHSA-2026:0312 ADVISORY https://access.redhat.com/errata/RHSA-2026:0464 ADVISORY https://access.redhat.com/errata/RHSA-2026:0596 ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4290/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4319/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:4425/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20229/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20231/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20528/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2026:20535/ REF http://www.openwall.com/lists/oss-security/2025/11/27/4 REF https://github.com/OpenPrinting/cups/releases/tag/v2.4.15

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