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Ubuntu Security Notice USN-3088-1
September 27, 2016

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

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

– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
– Ubuntu 12.04 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 building responses to
certain specially crafted requests. A remote attacker could possibly 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 16.04 LTS:
bind9 1:9.10.3.dfsg.P4-8ubuntu1.1

Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.9

Ubuntu 12.04 LTS:
bind9 1:9.8.1.dfsg.P1-4ubuntu0.17

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

References:
http://www.ubuntu.com/usn/usn-3088-1
CVE-2016-2776

Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.1
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.9
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.17

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