{"id":"CVE-2021-32838","details":"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.","aliases":["GHSA-3q6g-vf58-7m4g","PYSEC-2021-325"],"modified":"2026-04-16T04:39:37.825124791Z","published":"2021-09-20T18:15:11.010Z","related":["GHSA-3q6g-vf58-7m4g"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3q6g-vf58-7m4g"},{"type":"FIX","url":"https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51"},{"type":"FIX","url":"https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da"},{"type":"FIX","url":"https://github.com/python-restx/flask-restx/issues/372"},{"type":"PACKAGE","url":"https://pypi.org/project/flask-restx/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python-restx/flask-restx","events":[{"introduced":"0"},{"fixed":"c574c7934c96a4ce96acfab14edaa941e4674e08"},{"fixed":"bab31e085f355dd73858fd3715f7ed71849656da"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"0.5.1"}]}}],"versions":["0.1.1","0.2.0","0.3.0","0.4.0","0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32838.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}