[USN-6433-1] Ghostscript vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue Oct 17 13:03:50 UTC 2023


==========================================================================
Ubuntu Security Notice USN-6433-1
October 17, 2023

ghostscript vulnerability
==========================================================================

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Ghostscript could be made to run programs if it opened a specially crafted
file.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

It was discovered that Ghostscript incorrectly handled certain PDF
documents. If a user or automated system were tricked into opening a
specially crafted PDF file, a remote attacker could use this issue to
execute arbitrary code.

Update instructions:

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

Ubuntu 23.04:
   ghostscript                     10.0.0~dfsg1-0ubuntu1.4

Ubuntu 22.04 LTS:
   ghostscript                     9.55.0~dfsg1-0ubuntu5.5

Ubuntu 20.04 LTS:
   ghostscript                     9.50~dfsg-5ubuntu4.11

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

References:
   https://ubuntu.com/security/notices/USN-6433-1
   CVE-2023-43115

Package Information:
   https://launchpad.net/ubuntu/+source/ghostscript/10.0.0~dfsg1-0ubuntu1.4
   https://launchpad.net/ubuntu/+source/ghostscript/9.55.0~dfsg1-0ubuntu5.5
   https://launchpad.net/ubuntu/+source/ghostscript/9.50~dfsg-5ubuntu4.11

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