USN-5225-1

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    USN-5225-1

    Published: 12 Jan 2022Last Modified: 29 Jun 2026

    Summary: lxml vulnerability

    Details: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5225-1, https://ubuntu.com/security/CVE-2021-43818

    Affected packages

    Package

    Name: lxml

    Purl: pkg:deb/ubuntu/lxml?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.3.3-1ubuntu0.2+esm5

    Affected versions

    3.2.0-1

    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
    USN-5225-1 | CVE-DB