1.1.0 release is now available for download from http://packages.vyos.net/iso/release/1.1.0/, and from the mirrors once they sync.
The post categories:
1.1.0 preview image update
Those who are using 1.1.0-beta can install an updated image from the build system that includes updates for the shellshock vulnerability.
1.0.5 security release
1.0.5 release images are available for download from packages.vyos.net, and soon will be available from mirrors when they sync.