CVE-2021-32838

    Dashboard / Vulnerabilities / CVE-2021-32838

    CVE-2021-32838

    Published: 20 Sept 2021Last Modified: 8 Jul 2026

    Summary:

    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.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/, https://github.com/advisories/GHSA-3q6g-vf58-7m4g, https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51, https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da, https://github.com/python-restx/flask-restx/issues/372, https://pypi.org/project/flask-restx/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -c574c7934c96a4ce96acfab14edaa941e4674e08

    Affected versions

    0.5.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-32838 | CVE-DB