Advisories for Npm/Negotiator package

negotiator is an HTTP content negotiator for Node.js and is used by many modules and frameworks including Express and Koa. The header for "Accept-Language", when parsed by negotiator 0.6.0 and earlier is vulnerable to Regular Expression Denial of Service via a specially crafted string.

The header for "Accept-Language", when parsed by negotiator is vulnerable to Regular Expression Denial of Service via a specially crafted string.