UBUNTU-CVE-2021-33391

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    UBUNTU-CVE-2021-33391

    Published: 17 Feb 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-33391
    Aliases:
    USN-6483-1

    Summary:

    Details: An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.

    References: https://ubuntu.com/security/CVE-2021-33391, https://ubuntu.com/security/notices/USN-6483-1, https://www.cve.org/CVERecord?id=CVE-2021-33391

    Affected packages

    Package

    Name: tidy-html5

    Purl: pkg:deb/ubuntu/tidy-html5@1:5.2.0-2?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1:5.2.0-2

    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-2021-33391 | CVE-DB