"Security updates for all active release lines, July 2017 | Node.js" https://nodejs.org/en/blog/vulnerability/july-2017-security-releases/
"All current versions of v4.x through to v8.x inclusive are vulnerable to an issue that can be used by an external attacker to cause a denial of service. The severity of this vulnerability is high and users of the affected versions should plan to upgrade when a fix is made available."
wow...
じさばどん