CVE-2021-29059

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    CVE-2021-29059

    Published: 21 Jun 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

    References: https://www.npmjs.com/package/is-svg, https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0, https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js, https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- f681396a3fb6451558e9c49b72340f0ce92e308c
    Fixed -5faec9e56a57b2f5a551fc287b87b9f9fa5fe455

    Affected versions

    v4.2.2
    v4.2.1
    v4.2.0

    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-2021-29059 | CVE-DB