{
  "fix": "mysql-source-8.0 8.0.45-0ubuntu0.20.04.1\u002Besm2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-mysql-source-8.0-8.0.45-0ubuntu0.20.04.1-esm2",
  "summary": "mysql-source-8.0 8.0.45-0ubuntu0.20.04.1\u002Besm2, released January 20, 2026, fixes 14 CVEs in mysql-source-8.0. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "mysql-source-8.0 8.0.45-0ubuntu0.20.04.1\u002Besm2 for Ubuntu 20.04.3 LTS (focal)",
  "released": "2026-01-20T14:15:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 14 CVEs, none high severity",
  "supported": false,
  "cveCount": 14,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00584,
  "maxCvss": 6.5,
  "appliesTo": [
    {
      "product": "mysql-source-8.0",
      "productUrl": "https://patchblox.com/security/product/linux/mysql-source-8.0",
      "release": "Ubuntu 20.04.3 LTS (focal)",
      "fixedVersion": "8.0.45-0ubuntu0.20.04.1\u002Besm2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-53040",
      "url": "https://patchblox.com/security/cve/CVE-2025-53040",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53042",
      "url": "https://patchblox.com/security/cve/CVE-2025-53042",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53044",
      "url": "https://patchblox.com/security/cve/CVE-2025-53044",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53045",
      "url": "https://patchblox.com/security/cve/CVE-2025-53045",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53062",
      "url": "https://patchblox.com/security/cve/CVE-2025-53062",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53069",
      "url": "https://patchblox.com/security/cve/CVE-2025-53069",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00584,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53053",
      "url": "https://patchblox.com/security/cve/CVE-2025-53053",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DML).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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 as well as  unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-53054",
      "url": "https://patchblox.com/security/cve/CVE-2025-53054",
      "title": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB).  Supported versions that are affected are 8.0.0-8.0.43, 8.4.0-8.4.6 and  9.0.0-9.4.0. 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 as well as  unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.0048,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21964",
      "url": "https://patchblox.com/security/cve/CVE-2026-21964",
      "title": "mecab: ELSA-2026-5580: mysql:8.0 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00404,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21936",
      "url": "https://patchblox.com/security/cve/CVE-2026-21936",
      "title": "mecab: ELSA-2026-5580: mysql:8.0 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21937",
      "url": "https://patchblox.com/security/cve/CVE-2026-21937",
      "title": "mecab: ELSA-2026-5580: mysql:8.0 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21941",
      "url": "https://patchblox.com/security/cve/CVE-2026-21941",
      "title": "mecab: ELSA-2026-5580: mysql:8.0 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21948",
      "url": "https://patchblox.com/security/cve/CVE-2026-21948",
      "title": "mecab: ELSA-2026-5580: mysql:8.0 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00401,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-21968",
      "url": "https://patchblox.com/security/cve/CVE-2026-21968",
      "title": "galera: ELSA-2026-6435: mariadb:10.11 security update (MODERATE)",
      "priority": "Routine",
      "severity": "MODERATE",
      "cvss": 6.5,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-14T14:09:31Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}