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    CVE-2022-21670

    markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. Users should upgrade to version 12.3.2 to receive a patch. There are no known workarounds aside from upgrading.

    Published:Jan 10, 2022
    Last Modified:Apr 22, 2025
    EPS:Jan 10, 2022
    EPSS Score:0.01157
    CVSS Score:5.3

    Affected Products

    Vendor
    Markdown-it Project
    Product
    Markdown-it

    Exploits

    https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6vfc-qv3f-vr6chttps://github.com/markdown-it/markdown-it/security/advisories/GHSA-6vfc-qv3f-vr6c

    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