ghostscript vulnerabilities

30 October 2018

ghostscript vulnerabilities

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

• Ubuntu 18.10
• 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 18.10

ghostscript - 9.25~dfsg+1-0ubuntu1.1

libgs9 - 9.25~dfsg+1-0ubuntu1.1

Ubuntu 18.04 LTS

ghostscript - 9.25~dfsg+1-0ubuntu0.18.04.2

libgs9 - 9.25~dfsg+1-0ubuntu0.18.04.2

Ubuntu 16.04 LTS

ghostscript - 9.25~dfsg+1-0ubuntu0.16.04.2

libgs9 - 9.25~dfsg+1-0ubuntu0.16.04.2

Ubuntu 14.04 LTS

ghostscript - 9.25~dfsg+1-0ubuntu0.14.04.2

libgs9 - 9.25~dfsg+1-0ubuntu0.14.04.2

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

• CVE-2018-17961
• CVE-2018-18073
• CVE-2018-18284