GHSA-gpvj-gp8c-c7p2

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    GHSA-gpvj-gp8c-c7p2

    Published: 12 Feb 2023Last Modified: 22 Feb 2026

    Summary: Regular Expression Denial of Service in simple-markdown

    Details: A vulnerability has been found in simple-markdown 0.5.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file simple-markdown.js. The manipulation leads to inefficient regular expression complexity. The attack can be launched remotely. Upgrading to version 0.5.2 is able to address this issue. The name of the patch is 89797fef9abb4cab2fb76a335968266a92588816. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-220639.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-25103, https://github.com/Khan/simple-markdown/issues/71, https://github.com/ariabuckles/simple-markdown/commit/89797fef9abb4cab2fb76a335968266a92588816, https://github.com/ariabuckles/simple-markdown, https://github.com/ariabuckles/simple-markdown/releases/tag/0.5.2, https://snyk.io/vuln/SNYK-JS-SIMPLEMARKDOWN-460540, https://vuldb.com/?ctiid.220639, https://vuldb.com/?id.220639

    Affected packages

    Package

    Name: simple-markdown

    Purl: pkg:npm/simple-markdown

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.5.2

    Affected versions

    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