USN-6391-1: CUPS vulnerability

Published Sep 20, 2023
·
Updated

It was discovered that CUPS incorrectly parsed certain Postscript objects. If a user or automated system were tricked into printing a specially crafted document, a remote attacker could use this issue to cause CUPS to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/cups<2.4.2-3ubuntu2.5
2.4.2-3ubuntu2.5
Ubuntu Ubuntu=23.04
All of the following
ubuntu/cups<2.4.1op1-1ubuntu4.7
2.4.1op1-1ubuntu4.7
Ubuntu Ubuntu=22.04
All of the following
ubuntu/cups<2.3.1-9ubuntu1.6
2.3.1-9ubuntu1.6
Ubuntu Ubuntu=20.04

Event History

Sep 20, 2023
Advisory Published
12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID for the CUPS vulnerability?

The vulnerability ID for the CUPS vulnerability is USN-6391-1.

2

How does the CUPS vulnerability impact systems?

The CUPS vulnerability can cause CUPS to crash, resulting in a denial of service, or possibly execute arbitrary code.

3

What software versions are affected by the CUPS vulnerability?

The CUPS vulnerability affects versions 2.4.2-3ubuntu2.5, 2.4.1op1-1ubuntu4.7, and 2.3.1-9ubuntu1.6 of the CUPS package on Ubuntu.

4

How can I mitigate the CUPS vulnerability?

To mitigate the CUPS vulnerability, it is recommended to update the CUPS package to version 2.4.2-3ubuntu2.5, 2.4.1op1-1ubuntu4.7, or 2.3.1-9ubuntu1.6, depending on the Ubuntu version.

5

Where can I find more information about the CUPS vulnerability?

More information about the CUPS vulnerability can be found at the following references: [CVE-2023-4504](https://ubuntu.com/security/CVE-2023-4504), [USN-6392-1](https://ubuntu.com/security/notices/USN-6392-1), [USN-6391-2](https://ubuntu.com/security/notices/USN-6391-2).

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