The following updates has been released for Ubuntu Linux:

USN-3769-1: Bind vulnerability
USN-3770-1: Little CMS vulnerabilities
USN-3770-2: Little CMS vulnerabilities

USN-3769-1: Bind vulnerability

==========================================================================
Ubuntu Security Notice USN-3769-1
September 20, 2018

bind9 vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Bind could be made to crash if it received specially crafted network
traffic.

Software Description:
- bind9: Internet Domain Name Server

Details:

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue
to cause Bind to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS:
bind9 1:9.11.3+dfsg-1ubuntu1.2

Ubuntu 16.04 LTS:
bind9 1:9.10.3.dfsg.P4-8ubuntu1.11

Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.18

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

References:
https://usn.ubuntu.com/usn/usn-3769-1
CVE-2018-5740

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.2
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.11
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.18

USN-3770-1: Little CMS vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3770-1
September 20, 2018

lcms2 vulnerabilities
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Little CMS.

Software Description:
- lcms2: Little CMS color management library

Details:

Ibrahim El-Sayed discovered that Little CMS incorrectly handled certain
files. An attacker could possibly use this issue to cause a denial of
service. (CVE-2016-10165)

Quang Nguyen discovered that Little CMS incorrectly handled certain
files. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2018-16435)

Update instructions:

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

Ubuntu 18.04 LTS:
  liblcms2-2 2.9-1ubuntu0.1
  liblcms2-utils 2.9-1ubuntu0.1

Ubuntu 16.04 LTS:
  liblcms2-2 2.6-3ubuntu2.1
  liblcms2-utils 2.6-3ubuntu2.1

Ubuntu 14.04 LTS:
  liblcms2-2 2.5-0ubuntu4.2
  liblcms2-utils 2.5-0ubuntu4.2

After a standard system update you need to restart applications using
Little CMS to make all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3770-1
  CVE-2016-10165, CVE-2018-16435

Package Information:
  https://launchpad.net/ubuntu/+source/lcms2/2.9-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/lcms2/2.6-3ubuntu2.1
  https://launchpad.net/ubuntu/+source/lcms2/2.5-0ubuntu4.2

USN-3770-2: Little CMS vulnerabilities

==========================================================================
Ubuntu Security Notice USN-3770-2
September 20, 2018

lcms, lcms2 vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Little CMS.

Software Description:
- lcms: Little CMS color management library utilities
- lcms2: Little CMS color management library

Details:

USN-3770-1 fixed a vulnerability in Little CMS. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Pedro Ribeiro discoreved that Little CMS incorrectly handled certain
 files. An attacker could possibly use this issue to cause a denial of
 service. (CVE-2013-4276)

 Ibrahim El-Sayed discovered that Little CMS incorrectly handled
 certain files. An attacker could possibly use this issue to cause a
 denial of service. (CVE-2016-10165)

 Quang Nguyen discovered that Little CMS incorrectly handled certain
 files. An attacker could possibly use this issue to execute arbitrary
 code. (CVE-2018-16435)

Update instructions:

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

Ubuntu 12.04 ESM:
  liblcms-utils 1.19.dfsg-1ubuntu3.1
  liblcms1 1.19.dfsg-1ubuntu3.1
  liblcms2-2 2.2+git20110628-2ubuntu3.3
  liblcms2-utils 2.2+git20110628-2ubuntu3.3

After a standard system update you need to restart applications using
Little CMS to make all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3770-2
  https://usn.ubuntu.com/usn/usn-3770-1
  CVE-2013-4276, CVE-2016-10165, CVE-2018-16435