{
  "fix": "RLSA-2026:4162",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-4162",
  "summary": "RLSA-2026:4162, released May 21, 2026, fixes 6 CVEs in mysql8.4 (version 0:8.4.8-1.el10_1.rocky.0.1). None of them is reported as exploited. Patch Radar priority: Routine.",
  "platform": "linux",
  "type": "advisory",
  "title": "mysql8.4 security update",
  "released": "2026-05-21T16:30:00Z",
  "priority": "Routine",
  "priorityTier": 4,
  "priorityReason": "Closes 6 CVEs, none high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00404,
  "maxCvss": 6.5,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:4162",
  "appliesTo": [
    {
      "product": "mysql8.4",
      "productUrl": "https://patchblox.com/security/product/linux/mysql8.4",
      "release": "rocky 10",
      "fixedVersion": "0:8.4.8-1.el10_1.rocky.0.1",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-21964",
      "url": "https://patchblox.com/security/cve/CVE-2026-21964",
      "title": "mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling)",
      "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": "mysql-testsuite: Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB)",
      "priority": "Routine",
      "severity": "Medium",
      "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": "libmysqlclient24: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL)",
      "priority": "Routine",
      "severity": "Medium",
      "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": "mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)",
      "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": "mysql8.4: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer)",
      "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: MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}