USN-3535-2: Bind vulnerability

17 January 2018

bind9 vulnerability

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

  • Ubuntu 12.04 ESM


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

Software Description

  • bind9 - Internet Domain Name Server


USN-3535-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Jayachandran Palanisamy discovered that the Bind resolver incorrectly handled fetch cleanup sequencing. 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 12.04 ESM
bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.24

To update your system, please follow these instructions:

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