USN-3716-1: Dnsmasq update

12 July 2018

dnsmasq update

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

  • Ubuntu 16.04 LTS


The list of trust anchors has been updated.

Software Description

  • dnsmasq - Small caching DNS proxy and DHCP/TFTP server


This update adds the latest DNSSEC validation trust anchor required for the upcoming Root Zone KSK Rollover.

Update instructions

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

Ubuntu 16.04 LTS
dnsmasq - 2.75-1ubuntu0.16.04.5
dnsmasq-base - 2.75-1ubuntu0.16.04.5
dnsmasq-utils - 2.75-1ubuntu0.16.04.5

To update your system, please follow these instructions:

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