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slow client dos
About this tag
The slow client DoS tag covers a denial-of-service vulnerability in the Common UNIX Printing System (CUPS), tracked as CVE-2025-58436. A single slow client can stall the CUPS daemon (cupsd), making the entire print service unusable. This issue affects CUPS versions prior to 2.4.15 and is relevant for administrators managing mixed environments where Linux print servers serve Windows clients. The tag includes discussion of the vulnerability's impact, affected packages, and patching guidance. It is a security-focused topic for IT professionals handling print infrastructure.
A single, slow client can stall the Common UNIX Printing System (CUPS) daemon (cupsd) and render an entire print service unusable — a denial‑of‑service vulnerability tracked as CVE‑2025‑58436 that was fixed in CUPS v2.4.15 and affects upstream packages prior to that release.
Background /...