USN-3768-1: Ghostscript vulnerabilities

19 September 2018

ghostscript vulnerabilities

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

  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in Ghostscript.

Software Description

  • ghostscript - PostScript and PDF interpreter

Details

Tavis Ormandy discovered multiple security issues in Ghostscript. 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.

Update instructions

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

Ubuntu 18.04 LTS
ghostscript - 9.22~dfsg+1-0ubuntu1.2
libgs9 - 9.22~dfsg+1-0ubuntu1.2
Ubuntu 16.04 LTS
ghostscript - 9.18~dfsg~0-0ubuntu2.9
libgs9 - 9.18~dfsg~0-0ubuntu2.9
Ubuntu 14.04 LTS
ghostscript - 9.10~dfsg-0ubuntu10.13
libgs9 - 9.10~dfsg-0ubuntu10.13

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References