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Ubuntu Security Notice USN-3970-1

Ubuntu Security Notice USN-3970-1
Posted May 8, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3970-1 - 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.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-3839
MD5 | 6e7c6d9ad147ce1293a687014f0450e9

Ubuntu Security Notice USN-3970-1

Change Mirror Download
==========================================================================
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

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