USN-3432-1: ca-certificates update

Ubuntu Security Notice USN-3432-1

2nd 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The ca-certificates package contained outdated CA certificates.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

Update instructions

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

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.


LP: 1719851