Medium severity vuln found in mem@1.1.0, introduced via webpack-dev-server@3.1.7 Description: Denial of Service (DoS) Info: https://snyk.io/vuln/npm:mem:20180117 From: webpack-dev-server@3.1.7 > yargs@12.0.1 > os-locale@2.1.0 > mem@1.1.0 - [x] This is a **bug** - [ ] This is a **modification** request