Ubuntu 18.10: USN-3831-1 Critical: Ghostscript Remote Access Threat

ubuntu

November 29, 2018

Several security issues were fixed in Ghostscript.

Summary

Several security issues were fixed in Ghostscript.

Software Description:

- ghostscript: PostScript and PDF interpreter

Details:

It was discovered that Ghostscript contained multiple security issues. If a

user or automated system were tricked into processing a specially crafted

file, a remote attacker could possibly use these issues to access arbitrary

files, execute arbitrary code, or cause a denial of service.

Topics Covered

security advisory denial of service critical code execution remote access ghostscript Ubuntu

Update Instructions

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

Ubuntu 18.10:
  ghostscript                     9.26~dfsg+0-0ubuntu0.18.10.1
  libgs9                          9.26~dfsg+0-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.18.04.1
  libgs9                          9.26~dfsg+0-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.16.04.1
  libgs9                          9.26~dfsg+0-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  ghostscript                     9.26~dfsg+0-0ubuntu0.14.04.1
  libgs9                          9.26~dfsg+0-0ubuntu0.14.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.