Do I need additional protection against buffer overruns?

Greetings!

I’ve got both client-side and server-side validations in place, but
wonder if I need to do more.

Specifically, …

In addition to user input via browser, my Rails app can import the same
data from XML files (using REXML). Is there a possibility of buffer
overruns as I’m reading the data from the XML files into instance
variables in the controller method, prior to submitting them to the
model for validation? I can’t seem to find a definitive statement on
buffer overrun protections in Rails. Do I need to worry about REXML
too? Or is the potential issue limited to Rails?

Thanks much for any info.

Best regards,
Bill

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