UBUNTU-CVE-2022-21222

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    UBUNTU-CVE-2022-21222

    Published: 30 Sept 2022Last Modified: 20 May 2026
    Upstream:
    CVE-2022-21222
    Aliases:
    USN-6065-1

    Summary:

    Details: The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.

    References: https://ubuntu.com/security/CVE-2022-21222, https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488, https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12, https://ubuntu.com/security/notices/USN-6065-1, https://www.cve.org/CVERecord?id=CVE-2022-21222

    Affected packages

    Package

    Name: node-css-what

    Purl: pkg:deb/ubuntu/node-css-what?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.1.0-1ubuntu0.16.04.1~esm1

    Affected versions

    2.0.2-1

    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-2022-21222 | CVE-DB