==========================================================================
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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