USN-5193-3

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    USN-5193-3

    Published: 27 Jul 2023Last Modified: 25 Jun 2026

    Summary: xorg-server-hwe-16.04 vulnerabilities

    Details: USN-5193-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code and escalate privileges.

    References: https://ubuntu.com/security/notices/USN-5193-3, https://ubuntu.com/security/CVE-2021-4008, https://ubuntu.com/security/CVE-2021-4009, https://ubuntu.com/security/CVE-2021-4011

    Affected packages

    Package

    Name: xorg-server-hwe-16.04

    Purl: pkg:deb/ubuntu/xorg-server-hwe-16.04?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.19.6-1ubuntu4.1~16.04.6+esm5

    Affected versions

    2:1.18.4-1ubuntu6.1~16.04.1
    2:1.18.4-1ubuntu6.1~16.04.2

    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
    USN-5193-3 | CVE-DB