UBUNTU-CVE-2018-20821

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    UBUNTU-CVE-2018-20821

    Published: 23 Apr 2019Last Modified: 16 Jul 2025
    Upstream:
    CVE-2018-20821

    Summary:

    Details: The parsing component in LibSass through 3.5.5 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Parser::parse_css_variable_value in parser.cpp).

    References: https://ubuntu.com/security/CVE-2018-20821, https://www.cve.org/CVERecord?id=CVE-2018-20821

    Affected packages

    Package

    Name: libsass

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.6.3-1ubuntu1

    Affected versions

    3.5.5-4

    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