USN-3432-1: ca-certificates update

2 October 2017

ca-certificates update

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

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


ca-certificates was updated to the 20170717 package.

Software Description

  • ca-certificates - Common CA certificates


The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 20170717 package.

Update instructions

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

Ubuntu 17.04
ca-certificates - 20170717~17.04.1
Ubuntu 16.04 LTS
ca-certificates - 20170717~16.04.1
Ubuntu 14.04 LTS
ca-certificates - 20170717~14.04.1

To update your system, please follow these instructions:

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