What is CVE-2025-58436?

CVE-2025-58436 is a medium-severity vulnerability in Openprinting Cups, classified under Uncontrolled Resource Consumption. CVSS score: 5.1/10. Published 2025-11-29.

How severe is CVE-2025-58436?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Resource exhaustion in Openprinting Cups

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…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Openprinting Cups — versions < 2.4.15

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

https://github.com/OpenPrinting/cups/security/advisories/GHSA-8wpw-vfgm-qrrr (x_refsource_CONFIRM)
https://github.com/OpenPrinting/cups/commit/40008d76a001babbb9beb9d9d74b01a86fb6ddb4 (x_refsource_MISC)
https://github.com/OpenPrinting/cups/releases/tag/v2.4.15 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-58436?: CVE-2025-58436 is a medium-severity vulnerability in Openprinting Cups, classified under Uncontrolled Resource Consumption. CVSS score: 5.1/10. Published 2025-11-29.
How severe is CVE-2025-58436?: Medium severity. CVSS v3 base score is 5.1 out of 10.