UBUNTU-CVE-2018-20190

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    UBUNTU-CVE-2018-20190

    Published: 17 Dec 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-20190
    Aliases:
    USN-4837-1

    Summary:

    Details: In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input file.

    References: https://ubuntu.com/security/CVE-2018-20190, https://github.com/sass/libsass/issues/2786, https://ubuntu.com/security/notices/USN-4837-1, https://www.cve.org/CVERecord?id=CVE-2018-20190

    Affected packages

    Package

    Name: libsass

    Purl: pkg:deb/ubuntu/[email protected]~esm1?arch=source&distro=esm-apps/bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.8-1ubuntu0.1~esm1

    Affected versions

    3.4.3-1
    3.4.6-1
    3.4.8-1

    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
    UBUNTU-CVE-2018-20190 | CVE-DB