USN-5192-2

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    USN-5192-2

    Published: 17 Dec 2021Last Modified: 25 Jun 2026

    Summary: apache-log4j2 vulnerability

    Details: USN-5192-1 fixed a vulnerability in Apache Log4j 2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Chen Zhaojun discovered that Apache Log4j 2 allows remote attackers to run programs via a special crafted input. An attacker could use this vulnerability to cause a denial of service or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5192-2, https://ubuntu.com/security/CVE-2021-44228

    Affected packages

    Package

    Name: apache-log4j2

    Purl: pkg:deb/ubuntu/apache-log4j2?arch=source&distro=esm-infra%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4-2ubuntu0.1~esm1

    Affected versions

    2.2-1

    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
    USN-5192-2 | CVE-DB