CVE catalog

CVE-2023-22103

UBUNTU-

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.34 and prior and 8.1.0. 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).

Severity: Medium · CVSS 4.9CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Published: Oct 17, 2023, 12:00:00 AM UTC
Updated: Apr 22, 2026, 2:02:06 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.16% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "mysql-5.5",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "14.04",
      "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"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2023-22103"
    },
    {
      "name": "percona-server-5.6",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "5.6.22-rel71.0-0ubuntu2",
        "5.6.22-rel71.0-0ubuntu4",
        "5.6.22-rel71.0-0ubuntu4.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2023-22103"
    },
    {
      "name": "percona-xtradb-cluster-5.6",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "16.04",
      "versions": [
        "5.6.21-25.8-0ubuntu2",
        "5.6.21-25.8-0ubuntu3",
        "5.6.21-25.8-0ubuntu3.1",
        "5.6.21-25.8-0ubuntu3.2",
        "5.6.34-26.19-0ubuntu0.16.04.1",
        "5.6.34-26.19-0ubuntu0.16.04.2",
        "5.6.37-26.21-0ubuntu0.16.04.1",
        "5.6.37-26.21-0ubuntu0.16.04.2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2023-22103"
    },
    {
      "name": "mysql-8.0",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.35-0ubuntu0.20.04.1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "8.0.17-0ubuntu2",
        "8.0.17-0ubuntu3",
        "8.0.18-0ubuntu3",
        "8.0.18-0ubuntu4",
        "8.0.18-0ubuntu5",
        "8.0.19-0ubuntu2",
        "8.0.19-0ubuntu3",
        "8.0.19-0ubuntu4",
        "8.0.19-0ubuntu5",
        "8.0.20-0ubuntu0.20.04.1",
        "8.0.21-0ubuntu0.20.04.3",
        "8.0.21-0ubuntu0.20.04.4",
        "8.0.22-0ubuntu0.20.04.2",
        "8.0.22-0ubuntu0.20.04.3",
        "8.0.23-0ubuntu0.20.04.1",
        "8.0.25-0ubuntu0.20.04.1",
        "8.0.26-0ubuntu0.20.04.2",
        "8.0.26-0ubuntu0.20.04.3",
        "8.0.27-0ubuntu0.20.04.1",
        "8.0.28-0ubuntu0.20.04.3",
        "8.0.29-0ubuntu0.20.04.2",
        "8.0.29-0ubuntu0.20.04.3",
        "8.0.30-0ubuntu0.20.04.2",
        "8.0.31-0ubuntu0.20.04.1",
        "8.0.31-0ubuntu0.20.04.2",
        "8.0.32-0buntu0.20.04.1",
        "8.0.32-0ubuntu0.20.04.2",
        "8.0.33-0ubuntu0.20.04.1",
        "8.0.33-0ubuntu0.20.04.2",
        "8.0.33-0ubuntu0.20.04.4",
        "8.0.34-0ubuntu0.20.04.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "8.0.35-0ubuntu0.20.04.1",
      "provider_record_id": "UBUNTU-CVE-2023-22103"
    },
    {
      "name": "mysql-8.0",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.35-0ubuntu0.22.04.1"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "8.0.26-0ubuntu1",
        "8.0.27-0ubuntu0.21.10.1",
        "8.0.28-0ubuntu3",
        "8.0.28-0ubuntu4",
        "8.0.29-0ubuntu0.22.04.1",
        "8.0.29-0ubuntu0.22.04.2",
        "8.0.29-0ubuntu0.22.04.3",
        "8.0.30-0ubuntu0.22.04.1",
        "8.0.31-0ubuntu0.22.04.1",
        "8.0.32-0buntu0.22.04.1",
        "8.0.32-0ubuntu0.22.04.2",
        "8.0.33-0ubuntu0.22.04.1",
        "8.0.33-0ubuntu0.22.04.2",
        "8.0.33-0ubuntu0.22.04.4",
        "8.0.34-0ubuntu0.22.04.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "8.0.35-0ubuntu0.22.04.1",
      "provider_record_id": "UBUNTU-CVE-2023-22103"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed: Oct 23, 2026, 6:24:19 PM UTC

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]