USN-7897-1: CUPS vulnerability

Publication date

27 November 2025

Overview

CUPS could be made to crash or run programs as an administrator if it opened a specially crafted file.


Packages

  • cups - Common UNIX Printing System(tm)

Details

It was discovered that CUPS incorrectly handled input from users in the web
configuration settings. An attacker could use this issue to insert
malicious configuration options, causing a denial of service or possibly
executing arbitrary code.

It was discovered that CUPS incorrectly handled input from users in the web
configuration settings. An attacker could use this issue to insert
malicious configuration options, causing a denial of service or possibly
executing arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.10 questing cups –  2.4.12-0ubuntu3.3
cups-daemon –  2.4.12-0ubuntu3.3
25.04 plucky cups –  2.4.12-0ubuntu1.4
cups-daemon –  2.4.12-0ubuntu1.4
24.04 LTS noble cups –  2.4.7-1.2ubuntu7.7
cups-daemon –  2.4.7-1.2ubuntu7.7
22.04 LTS jammy cups –  2.4.1op1-1ubuntu4.15
cups-daemon –  2.4.1op1-1ubuntu4.15
20.04 LTS focal cups –  2.3.1-9ubuntu1.9+esm3  
cups-daemon –  2.3.1-9ubuntu1.9+esm3  
18.04 LTS bionic cups –  2.2.7-1ubuntu2.10+esm9  
cups-daemon –  2.2.7-1ubuntu2.10+esm9  
16.04 LTS xenial cups –  2.1.3-4ubuntu0.11+esm11  
cups-daemon –  2.1.3-4ubuntu0.11+esm11  

Reduce your security exposure

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Have additional questions?

Talk to a member of the team ›