CVE-2021-32838 – Regular Expression Denial of Service in flask-restx

https://notcve.org/view.php?id=CVE-2021-32838

20 Sep 2021 — Flask-RESTX (pypi package flask-restx) is a community driven fork of Flask-RESTPlus. Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex. This is fixed in version 0.5.1. Flask-RESTX (paquete pypi flask-restx) es un fork impulsado por la comunidad de Flask-RESTPlus. Flask-RESTX versiones anteriores a 0.5.1, es vulnerable a ReDoS (Denegación de Servicio por Expresión Regular) en la función email_regex. • https://github.com/advisories/GHSA-3q6g-vf58-7m4g • CWE-400: Uncontrolled Resource Consumption •