USN-4377-2: ca-certificates update

ca-certificates update

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

An expired certificate was removed from ca-certificates.

USN-4377-1 updated ca-certificates. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

The ca-certificates package contained an expired CA certificate that caused
connectivity issues. This update removes the "AddTrust External Root" CA.

In addition, on Ubuntu 12.04 ESM and Ubuntu 14.04 ESM, this update
refreshes the included certificates to those contained in the 20190110
package.

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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