CVE-2021-32838
HIGHflask-restx < 0.5.1 - Regular Expression Denial of Service via Email Validation
Title source: llmDescription
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.
References (7)
Core 7
Core References
Third Party Advisory x_refsource_confirm
https://github.com/advisories/GHSA-3q6g-vf58-7m4g
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/python-restx/flask-restx/issues/372
Patch, Third Party Advisory x_refsource_misc
https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da
Patch, Third Party Advisory x_refsource_misc
https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51
Product, Third Party Advisory x_refsource_misc
https://pypi.org/project/flask-restx/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/
Scores
CVSS v3
7.5
EPSS
0.0137
EPSS Percentile
80.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (4)
fedoraproject/fedora
33
fedoraproject/fedora
34
flask-restx_project/flask-restx
< 0.5.1
pypi/flask-restx
0 - 0.5.1PyPI
Published
Sep 20, 2021
Tracked Since
Feb 18, 2026