GHSA-3q6g-vf58-7m4g

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    GHSA-3q6g-vf58-7m4g

    Published: 8 Sept 2021Last Modified: 8 Jul 2026

    Summary: Regular Expression Denial of Service in flask-restx

    Details: Flask RESTX contains a regular expression that is vulnerable to [ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) (Regular Expression Denial of Service) in `email_regex`.

    References: https://github.com/python-restx/flask-restx/security/advisories/GHSA-3q6g-vf58-7m4g, https://nvd.nist.gov/vuln/detail/CVE-2021-32838, https://github.com/python-restx/flask-restx/issues/372, https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da, https://github.com/advisories/GHSA-3q6g-vf58-7m4g, https://github.com/pypa/advisory-database/tree/main/vulns/flask-restx/PYSEC-2021-325.yaml, https://github.com/python-restx/flask-restx, https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51, https://lists.fedoraproject.org/archives/list/[email protected]/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ, https://lists.fedoraproject.org/archives/list/[email protected]/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3, https://pypi.org/project/flask-restx

    Affected packages

    Package

    Name: flask-restx

    Purl: pkg:pypi/flask-restx

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.5.1

    Affected versions

    0.0.1.dev0

    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
    GHSA-3q6g-vf58-7m4g | CVE-DB