CVE-2021-3842

    Dashboard / Vulnerabilities / CVE-2021-3842

    CVE-2021-3842

    Published: 4 Jan 2022Last Modified: 8 Jul 2026

    Summary:

    Details: nltk is vulnerable to Inefficient Regular Expression Complexity

    References: https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d, https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -4862b094ae4a9aa04396e06335ae52f7920e48c7

    Affected versions

    3.6.5
    3.6.2
    3.6.1
    3.6

    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-2021-3842 | CVE-DB