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[USN-7897-1] CUPS vulnerability

Posted on 27 November 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7897-1
November 27, 2025

cups vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 25.10
cups 2.4.12-0ubuntu3.3
cups-daemon 2.4.12-0ubuntu3.3

Ubuntu 25.04
cups 2.4.12-0ubuntu1.4
cups-daemon 2.4.12-0ubuntu1.4

Ubuntu 24.04 LTS
cups 2.4.7-1.2ubuntu7.7
cups-daemon 2.4.7-1.2ubuntu7.7

Ubuntu 22.04 LTS
cups 2.4.1op1-1ubuntu4.15
cups-daemon 2.4.1op1-1ubuntu4.15

Ubuntu 20.04 LTS
cups 2.3.1-9ubuntu1.9+esm3
Available with Ubuntu Pro
cups-daemon 2.3.1-9ubuntu1.9+esm3
Available with Ubuntu Pro

Ubuntu 18.04 LTS
cups 2.2.7-1ubuntu2.10+esm9
Available with Ubuntu Pro
cups-daemon 2.2.7-1ubuntu2.10+esm9
Available with Ubuntu Pro

Ubuntu 16.04 LTS
cups 2.1.3-4ubuntu0.11+esm11
Available with Ubuntu Pro
cups-daemon 2.1.3-4ubuntu0.11+esm11
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-7897-1
CVE-2025-61915

Package Information:
https://launchpad.net/ubuntu/+source/cups/2.4.12-0ubuntu3.3
https://launchpad.net/ubuntu/+source/cups/2.4.12-0ubuntu1.4
https://launchpad.net/ubuntu/+source/cups/2.4.7-1.2ubuntu7.7
https://launchpad.net/ubuntu/+source/cups/2.4.1op1-1ubuntu4.15

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