The following updates has been released for Ubuntu Linux:

USN-4012-1: elfutils vulnerabilities
USN-4013-1: libsndfile vulnerabilities
USN-4014-1: GLib vulnerability

USN-4012-1: elfutils vulnerabilities

==========================================================================
Ubuntu Security Notice USN-4012-1
June 10, 2019

elfutils vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in elfutils.

Software Description:
- elfutils: collection of utilities to handle ELF objects

Details:

It was discovered that elfutils incorrectly handled certain malformed
files. If a user or automated system were tricked into processing a
specially crafted file, elfutils could be made to crash or consume
resources, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
elfutils 0.170-0.5.0ubuntu1.1
libasm1 0.170-0.5.0ubuntu1.1
libdw1 0.170-0.5.0ubuntu1.1
libelf1 0.170-0.5.0ubuntu1.1

Ubuntu 18.04 LTS:
elfutils 0.170-0.4ubuntu0.1
libasm1 0.170-0.4ubuntu0.1
libdw1 0.170-0.4ubuntu0.1
libelf1 0.170-0.4ubuntu0.1

Ubuntu 16.04 LTS:
elfutils 0.165-3ubuntu1.2
libasm1 0.165-3ubuntu1.2
libdw1 0.165-3ubuntu1.2
libelf1 0.165-3ubuntu1.2

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

References:
https://usn.ubuntu.com/4012-1
CVE-2018-16062, CVE-2018-16402, CVE-2018-16403, CVE-2018-18310,
CVE-2018-18520, CVE-2018-18521, CVE-2019-7149, CVE-2019-7150,
CVE-2019-7665

Package Information:
https://launchpad.net/ubuntu/+source/elfutils/0.170-0.5.0ubuntu1.1
https://launchpad.net/ubuntu/+source/elfutils/0.170-0.4ubuntu0.1
https://launchpad.net/ubuntu/+source/elfutils/0.165-3ubuntu1.2

USN-4013-1: libsndfile vulnerabilities

==========================================================================
Ubuntu Security Notice USN-4013-1
June 10, 2019

libsndfile vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in libsndfile.

Software Description:
- libsndfile: Library for reading/writing audio files

Details:

It was discovered that libsndfile incorrectly handled certain malformed
files. A remote attacker could use this issue to cause libsndfile to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
libsndfile1 1.0.28-4ubuntu0.18.10.1

Ubuntu 18.04 LTS:
libsndfile1 1.0.28-4ubuntu0.18.04.1

Ubuntu 16.04 LTS:
libsndfile1 1.0.25-10ubuntu0.16.04.2

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://usn.ubuntu.com/4013-1
CVE-2017-14245, CVE-2017-14246, CVE-2017-14634, CVE-2017-16942,
CVE-2017-17456, CVE-2017-17457, CVE-2017-6892, CVE-2018-13139,
CVE-2018-19432, CVE-2018-19661, CVE-2018-19662, CVE-2018-19758,
CVE-2019-3832

Package Information:
https://launchpad.net/ubuntu/+source/libsndfile/1.0.28-4ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/libsndfile/1.0.28-4ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/libsndfile/1.0.25-10ubuntu0.16.04.2

USN-4014-1: GLib vulnerability

=========================================================================
Ubuntu Security Notice USN-4014-1
June 10, 2019

glib2.0 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:

GLib could be made to expose sensitive information if it
received a specially crafted file.

Software Description:
- glib2.0: GLib library of C routines

Details:

It was discovered that GLib incorrectly handled certain files.
An attacker could possibly use this issue to access sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.04:
libglib2.0-0 2.60.0-1ubuntu0.1
libglib2.0-bin 2.60.0-1ubuntu0.1
libglib2.0-dev 2.60.0-1ubuntu0.1

Ubuntu 18.10:
libglib2.0-0 2.58.1-2ubuntu0.1
libglib2.0-bin 2.58.1-2ubuntu0.1
libglib2.0-dev 2.58.1-2ubuntu0.1

Ubuntu 18.04 LTS:
libglib2.0-0 2.56.4-0ubuntu0.18.04.3
libglib2.0-bin 2.56.4-0ubuntu0.18.04.3
libglib2.0-dev 2.56.4-0ubuntu0.18.04.3

Ubuntu 16.04 LTS:
libglib2.0-0 2.48.2-0ubuntu4.2
libglib2.0-bin 2.48.2-0ubuntu4.2
libglib2.0-dev 2.48.2-0ubuntu4.2

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

References:
https://usn.ubuntu.com/4014-1
CVE-2019-12450

Package Information:
https://launchpad.net/ubuntu/+source/glib2.0/2.60.0-1ubuntu0.1
https://launchpad.net/ubuntu/+source/glib2.0/2.58.1-2ubuntu0.1
https://launchpad.net/ubuntu/+source/glib2.0/2.56.4-0ubuntu0.18.04.3
https://launchpad.net/ubuntu/+source/glib2.0/2.48.2-0ubuntu4.2