USN-2913-1: ca-certificates update

24 February 2016

ca-certificates update

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

  • Ubuntu 15.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


ca-certificates was updated to the 20160104 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The ca-certificates package contained outdated CA certificates.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 20160104 package, including the removal of the SPI CA and CA certificates with 1024-bit RSA keys.

Update instructions

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

Ubuntu 15.10
ca-certificates - 20160104ubuntu0.15.10.1
Ubuntu 14.04 LTS
ca-certificates - 20160104ubuntu0.14.04.1
Ubuntu 12.04 LTS
ca-certificates - 20160104ubuntu0.12.04.1

To update your system, please follow these instructions:

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