ALSA-2026:6391 (CVE-2026-21936)

Vulnerability from osv_almalinux – Published: 2026-04-01 00:00 – Updated: 2026-04-09 10:00 – Source website
VLAI
Summary
Moderate: mysql:8.4 security update
Details

MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.

Security Fix(es):

  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)
  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)
  • mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)
  • mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)
  • mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)
  • mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.996-2.module_el8.10.0+4060+d4256e26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.996-2.module_el8.10.0+4060+d4256e26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab-ipadic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0.20070801-17.module_el8.10.0+4060+d4256e26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab-ipadic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0.20070801-17.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab-ipadic-EUCJP"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0.20070801-17.module_el8.10.0+4060+d4256e26"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mecab-ipadic-EUCJP"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.7.0.20070801-17.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-common"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-errmsg"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-libs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-test"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "mysql-test-data"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.4.8-1.module_el8.10.0+4154+a69a9128"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and many client programs and libraries.  \n\nSecurity Fix(es):  \n\n  * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21941)\n  * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21948)\n  * mysql: InnoDB unspecified vulnerability (CPU Jan 2026) (CVE-2026-21936)\n  * mysql: Optimizer unspecified vulnerability (CPU Jan 2026) (CVE-2026-21968)\n  * mysql: DDL unspecified vulnerability (CPU Jan 2026) (CVE-2026-21937)\n  * mysql: Thread Pooling unspecified vulnerability (CPU Jan 2026) (CVE-2026-21964)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:6391",
  "modified": "2026-04-09T10:00:41Z",
  "published": "2026-04-01T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:6391"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21936"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21937"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21941"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21948"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21964"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21968"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431384"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431385"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431402"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431409"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431413"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2431431"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-6391.html"
    }
  ],
  "related": [
    "CVE-2026-21936",
    "CVE-2026-21937",
    "CVE-2026-21941",
    "CVE-2026-21948",
    "CVE-2026-21964",
    "CVE-2026-21968"
  ],
  "schema_version": "1.7.0",
  "summary": "Moderate: mysql:8.4 security update",
  "upstream": [
    "CVE-2026-21936",
    "CVE-2026-21937",
    "CVE-2026-21941",
    "CVE-2026-21948",
    "CVE-2026-21964",
    "CVE-2026-21968"
  ]
}



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