USN-6391-2: CUPS vulnerability

21 September 2023

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

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Releases

Packages

  • cups - Common UNIX Printing System(tm)

Details

USN-6391-1 fixed a vulnerability in CUPS. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

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.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

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