USN-4666-2

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    USN-4666-2

    Published: 11 Dec 2020Last Modified: 29 Jun 2026

    Summary: lxml vulnerability

    Details: USN-4666-1 partially fixed a vulnerability in lxml, but an additional patch was needed. This update provides the corresponding additional patch in order to properly fix the vulnerability. Original advisory details: It was discovered that lxml incorrectly handled certain HTML. An attacker could possibly use this issue to cross-site scripting (XSS) attacks.

    References: https://ubuntu.com/security/notices/USN-4666-2, https://ubuntu.com/security/CVE-2020-27783

    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+esm2

    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-4666-2 | CVE-DB