Description
The forwarded module is used by the Express.js framework to handle the X-Forwarded-For header. It is vulnerable to a regular expression denial of service when it's passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.
Remediation
References
http://www.securityfocus.com/bid/104427
https://nodesecurity.io/advisories/527
Related Vulnerabilities
CVE-2020-11023 Vulnerability in maven package org.webjars.bower:jquery
CVE-2016-10683 Vulnerability in npm package arcanist
CVE-2019-10756 Vulnerability in npm package node-red-dashboard
CVE-2019-15657 Vulnerability in npm package eslint-utils
CVE-2017-16114 Vulnerability in maven package org.webjars.bower:marked