USN-7616-1

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    USN-7616-1

    Published: 2 Jul 2025Last Modified: 25 Jun 2026

    Summary: logback vulnerabilities

    Details: It was discovered that logback could read malicious configuration files from LDAP servers. An attacker with the required permissions could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2021-42550) It was discovered that logback contained a serialization vulnerability. An attacker could possibly use this issue to cause a denial of service. (CVE-2023-6378)

    References: https://ubuntu.com/security/notices/USN-7616-1, https://ubuntu.com/security/CVE-2021-42550, https://ubuntu.com/security/CVE-2023-6378

    Affected packages

    Package

    Name: logback

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.1.3-2ubuntu0.1~esm1

    Affected versions

    1:1.1.3-2

    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-7616-1 | CVE-DB