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Ubuntu Security Notice USN-3915-1

Ubuntu Security Notice USN-3915-1
Posted Mar 22, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3915-1 - 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-2019-3835
MD5 | 51af7b4abfe723103eb813857d63f1b1

Ubuntu Security Notice USN-3915-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3915-1
March 21, 2019

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:

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 18.10:
ghostscript 9.26~dfsg+0-0ubuntu0.18.10.8
libgs9 9.26~dfsg+0-0ubuntu0.18.10.8

Ubuntu 18.04 LTS:
ghostscript 9.26~dfsg+0-0ubuntu0.18.04.8
libgs9 9.26~dfsg+0-0ubuntu0.18.04.8

Ubuntu 16.04 LTS:
ghostscript 9.26~dfsg+0-0ubuntu0.16.04.8
libgs9 9.26~dfsg+0-0ubuntu0.16.04.8

Ubuntu 14.04 LTS:
ghostscript 9.26~dfsg+0-0ubuntu0.14.04.8
libgs9 9.26~dfsg+0-0ubuntu0.14.04.8

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

References:
https://usn.ubuntu.com/usn/usn-3915-1
CVE-2019-3835, CVE-2019-3838

Package Information:
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.10.8
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.18.04.8
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.16.04.8
https://launchpad.net/ubuntu/+source/ghostscript/9.26~dfsg+0-0ubuntu0.14.04.8

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