[USN-6017-2] Ghostscript vulnerability

[Rodrigo Figueiredo Zaiden]

==========================================================================
Ubuntu Security Notice USN-6017-2
April 26, 2023

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

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

- Ubuntu 23.04

Summary:

Ghostscript could be made to crash or run programs as your login if it
received a specially crafted input.

Software Description:
- ghostscript: PostScript and PDF interpreter

Details:

USN-6017-1 fixed vulnerabilities in Ghostscript. This update provides the
corresponding updates for Ubuntu 23.04.

Original advisory details:

  Hadrien Perrineau discovered that Ghostscript incorrectly handled certain
  inputs. An attacker could possibly use this issue to cause 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 23.04:
   ghostscript                     10.0.0~dfsg1-0ubuntu1.1
   libgs10                         10.0.0~dfsg1-0ubuntu1.1

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

References:
   https://ubuntu.com/security/notices/USN-6017-2
   https://ubuntu.com/security/notices/USN-6017-1
   CVE-2023-28879

Package Information:
   https://launchpad.net/ubuntu/+source/ghostscript/10.0.0~dfsg1-0ubuntu1.1
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