UBUNTU-CVE-2023-21920

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    UBUNTU-CVE-2023-21920

    Published: 18 Apr 2023Last Modified: 22 Apr 2026
    Upstream:
    CVE-2023-21920
    Aliases:
    USN-6060-1

    Summary:

    Details: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

    References: https://ubuntu.com/security/CVE-2023-21920, https://www.oracle.com/security-alerts/cpuapr2023.html, https://ubuntu.com/security/notices/USN-6060-1, https://www.cve.org/CVERecord?id=CVE-2023-21920

    Affected packages

    Package

    Name: mysql-5.5

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    5.5.32-0ubuntu7
    5.5.34-0ubuntu1
    5.5.34-0ubuntu2
    5.5.35-0ubuntu1
    5.5.35+dfsg-1ubuntu1
    5.5.37-0ubuntu0.14.04.1
    5.5.38-0ubuntu0.14.04.1
    5.5.40-0ubuntu0.14.04.1
    5.5.41-0ubuntu0.14.04.1
    5.5.43-0ubuntu0.14.04.1
    5.5.44-0ubuntu0.14.04.1
    5.5.46-0ubuntu0.14.04.2
    5.5.47-0ubuntu0.14.04.1
    5.5.49-0ubuntu0.14.04.1
    5.5.50-0ubuntu0.14.04.1
    5.5.52-0ubuntu0.14.04.1
    5.5.53-0ubuntu0.14.04.1
    5.5.54-0ubuntu0.14.04.1
    5.5.55-0ubuntu0.14.04.1
    5.5.57-0ubuntu0.14.04.1
    5.5.58-0ubuntu0.14.04.1
    5.5.59-0ubuntu0.14.04.1
    5.5.60-0ubuntu0.14.04.1
    5.5.61-0ubuntu0.14.04.1
    5.5.62-0ubuntu0.14.04.1

    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
    UBUNTU-CVE-2023-21920 | CVE-DB