Unrated severityNVD Advisory· Published Nov 29, 2025· Updated Dec 3, 2025
OpenPrinting CUPS slow client can halt cupsd, leading to a possible DoS attack
CVE-2025-58436
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.
Affected products
1- Range: < 2.4.15
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/OpenPrinting/cups/commit/40008d76a001babbb9beb9d9d74b01a86fb6ddb4mitrex_refsource_MISC
- github.com/OpenPrinting/cups/releases/tag/v2.4.15mitrex_refsource_MISC
- github.com/OpenPrinting/cups/security/advisories/GHSA-8wpw-vfgm-qrrrmitrex_refsource_CONFIRM
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