Vulnerability Report

CVE-2025-58436

Title: OpenPrinting CUPS: Slow messages lead to denial of service

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2025-58436.

CWE Category CWE-400
Published Date Nov 29, 2025
Modified Date Dec 04, 2025
Exploit Status Not Found
Score 5.1 CVSS v3.1
Exploit Probability (EPSS)
0.03%

Vulnerability Summary

CVE-2025-58436: 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.

Impacted Vendors

O
openprinting 1
E
easy_software_products 1

Reference Links

https://github.com/OpenPrinting/cups/commit/40008d76a001babbb9beb9d9d74b01a86fb6ddb4 https://github.com/OpenPrinting/cups/releases/tag/v2.4.15 https://github.com/OpenPrinting/cups/security/advisories/GHSA-8wpw-vfgm-qrrr http://www.openwall.com/lists/oss-security/2025/11/27/4 https://github.com/OpenPrinting/cups/security/advisories/GHSA-8wpw-vfgm-qrrr
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.1
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-58436 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

MODIFIED

Vulnerability data updated via NVD.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.