==========================================================================
Ubuntu Security Notice USN-3970-1
May 08, 2019

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

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

– Ubuntu 19.04
– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Ghostscript could be made to crash, access files, or 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 PostScript
files. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could possibly use this issue 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 19.04:
ghostscript 9.26~dfsg+0-0ubuntu7.1
libgs9 9.26~dfsg+0-0ubuntu7.1

Ubuntu 18.10:
ghostscript 9.26~dfsg+0-0ubuntu0.18.10.9
libgs9 9.26~dfsg+0-0ubuntu0.18.10.9

Ubuntu 18.04 LTS:
ghostscript 9.26~dfsg+0-0ubuntu0.18.04.9
libgs9 9.26~dfsg+0-0ubuntu0.18.04.9

Ubuntu 16.04 LTS:
ghostscript 9.26~dfsg+0-0ubuntu0.16.04.9
libgs9 9.26~dfsg+0-0ubuntu0.16.04.9

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

References:
https://usn.ubuntu.com/usn/usn-3970-1
CVE-2019-3839

Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu7.1
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.10.9
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.9
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.16.04.9

—–BEGIN PGP SIGNATURE—–
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=Agcz
—–END PGP SIGNATURE—–
—