[USN-6128-2] CUPS vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Thu Jun 1 15:50:50 UTC 2023

Ubuntu Security Notice USN-6128-2
June 01, 2023

cups vulnerability

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

- Ubuntu 16.04 LTS (Available with Ubuntu Pro)


CUPS could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- cups: Common UNIX Printing System(tm)


USN-6128-1 fixed a vulnerability in CUPS. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

 It was discovered that CUPS incorrectly handled logging. A remote attacker
 could use this issue to cause CUPS to crash, resulting in a denial of
 service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  cups                            2.1.3-4ubuntu0.11+esm2

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


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