CVE-2017-16118: Uncontrolled Resource Consumption

June 7, 2018 (updated October 9, 2019)

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.

References

www.securityfocus.com/bid/104427
nvd.nist.gov/vuln/detail/CVE-2017-16118

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