Hi there Mike,
Thanks for posting – that’s a valid question to ask.
On our end this was largely a precautionary measure to mitigate the potential for vulnerabilities to enter our production code. We aren’t aware of any actual problems that were created.
To learn more about the nature of the vulnerability please refer to the following advisory:
nodesecurity.io/advisories/39
In this case, our advice is simply that you should update for peace of mind and to benefit from various other bug fixes and enhancements 🙂
I hope that helps, but do let me know if you have further questions.