USN-5223-2

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    USN-5223-2

    Published: 8 Feb 2022Last Modified: 25 Jun 2026

    Summary: apache-log4j1.2 vulnerability

    Details: USN-5223-1 fixed a vulnerability in Apache Log4j 1.2. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that Apache Log4j 1.2 was vulnerable to deserialization of untrusted data if the configuration file was editable. An attacker could use this vulnerability to cause a DoS or possibly execute arbitrary code.

    References: https://ubuntu.com/security/notices/USN-5223-2, https://ubuntu.com/security/CVE-2021-4104

    Affected packages

    Package

    Name: apache-log4j1.2

    Purl: pkg:deb/ubuntu/apache-log4j1.2?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.2.17-7ubuntu1+esm1

    Affected versions

    1.2.17-6ubuntu1
    1.2.17-7ubuntu1

    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-5223-2 | CVE-DB