[tshtf]

Soft errors are fairly common; in fact it allows for problems in DNS resolution such as Bitsquatting: https://www.defcon.org/images/defcon-19/dc-19-presentations/...

Anyone who has bought a popular bitsquatted domain name can attest to this.

[baby]

Also errors in packets signatures from TLS handshakes (http://cryptologie.net/article/294/factoring-rsa-keys-with-t...)

And I'm sure there are many other vectors of attacks using this flaw.