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Rewterz Threat Advisory – CVE-2021-21267 – Node.js schema-inspector module denial of service

Severity

Medium

Analysis Summary

CVE-2021-21267

Node.js schema-inspector module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the Email address. By sending a specially-crafted regex string, a remote attacker could exploit this vulnerability to cause the program or web browser page to freeze, and results in a denial of service condition.

Impact

Denial of service

Affected Vendors

NodeJs

Affected Products

Node.js schema-inspector 1.7.0

Remediation

Upgrade to the latest version of schema-inspector (2.0.0 or later).