not getting the right response to vulnerability test

[Bob Scott]

I used "env x='() { :;}; echo vulnerable' bash -c 'echo hello'", discovered
I was vulnerable then performed upgrade. The subsequent test results in the
response "hello" without the bash statements:

bash: warning: x: ignoring function definition attempt
bash: error importing function definition for `x'

Does the absence of "vulnerable" mean the updating was successful?

I am using Kubuntu 14.04

Thanks,
Bob
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