{
  "fix": "libmysqlclient21 8.0.41-0ubuntu0.24.10.1",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-oracular-libmysqlclient21-8.0.41-0ubuntu0.24.10.1",
  "summary": "libmysqlclient21 8.0.41-0ubuntu0.24.10.1, released January 16, 2026, fixes 16 CVEs in libmysqlclient21. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.",
  "platform": "linux",
  "type": "package",
  "title": "libmysqlclient21 8.0.41-0ubuntu0.24.10.1 for Ubuntu 24.10 (oracular)",
  "released": "2026-01-16T01:42:23Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-21490, high severity",
  "supported": false,
  "cveCount": 16,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01274,
  "maxCvss": 7.5,
  "appliesTo": [
    {
      "product": "libmysqlclient21",
      "productUrl": "https://patchblox.com/security/product/linux/libmysqlclient21",
      "release": "Ubuntu 24.10 (oracular)",
      "fixedVersion": "8.0.41-0ubuntu0.24.10.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-21490",
      "url": "https://patchblox.com/security/cve/CVE-2025-21490",
      "title": "mariadb: vulnerability allows high privileged attacker with network access to cause hangs and frequent crashes",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01274,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21518",
      "url": "https://patchblox.com/security/cve/CVE-2025-21518",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Optimizer)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01066,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21503",
      "url": "https://patchblox.com/security/cve/CVE-2025-21503",
      "title": "mysql-client-8.0: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01057,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21505",
      "url": "https://patchblox.com/security/cve/CVE-2025-21505",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Components Services)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01057,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21529",
      "url": "https://patchblox.com/security/cve/CVE-2025-21529",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Information Schema)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01052,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21522",
      "url": "https://patchblox.com/security/cve/CVE-2025-21522",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Parser)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01024,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21500",
      "url": "https://patchblox.com/security/cve/CVE-2025-21500",
      "title": "mysql-router: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Optimizer)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21501",
      "url": "https://patchblox.com/security/cve/CVE-2025-21501",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Optimizer)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.01005,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21491",
      "url": "https://patchblox.com/security/cve/CVE-2025-21491",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00998,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21523",
      "url": "https://patchblox.com/security/cve/CVE-2025-21523",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00939,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21519",
      "url": "https://patchblox.com/security/cve/CVE-2025-21519",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Privileges)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00853,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21555",
      "url": "https://patchblox.com/security/cve/CVE-2025-21555",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00724,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21559",
      "url": "https://patchblox.com/security/cve/CVE-2025-21559",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00724,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21546",
      "url": "https://patchblox.com/security/cve/CVE-2025-21546",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Privileges)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00564,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21540",
      "url": "https://patchblox.com/security/cve/CVE-2025-21540",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:Server: Security: Privileges)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00489,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21497",
      "url": "https://patchblox.com/security/cve/CVE-2025-21497",
      "title": "libmysqlclient21: Vulnerability in the MySQL Server product of Oracle MySQL (component:InnoDB)",
      "priority": "High",
      "severity": "Medium",
      "cvss": 7.5,
      "epss": 0.00462,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-13T08:00:37Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}