6/18 – Samsung blog on this topic
6/17 Samsung has released the following statement regarding this issue:
Samsung takes emerging security threats very seriously. We are aware of the recent issue reported by several media outlets and are committed to providing the latest in mobile security.
Samsung KNOX has the capability to update the security policy of the phones, over-the-air, to invalidate any potential vulnerabilities caused by this issue. The security policy updates will begin rolling out in a few days.
In addition to the security policy update, we are also working with SwiftKey to address potential risks going forward.