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.
problem types: Denial of Service (CWE-400)
affected:
{
product: forwarded node module
vendor: HackerOne
versions:
status: affected, version: < 0.1.2
}