{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46863", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-05-18T15:55:10.307Z", "datePublished": "2026-06-16T19:27:35.870Z", "dateUpdated": "2026-06-16T19:27:35.870Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-06-16T19:27:35.870Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "MySQL Server", "versions": [{"version": "8.4.0-8.4.9", "status": "affected"}, {"version": "9.0.0-9.7.0", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "MySQL Cluster", "versions": [{"version": "8.0.11-8.0.46", "status": "affected"}, {"version": "8.4.0-8.4.9", "status": "affected"}, {"version": "9.0.0-9.7.0", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0.0", "versionEndIncluding": "9.7.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0.11", "versionEndIncluding": "8.0.46"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.0.0", "versionEndIncluding": "9.7.0"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: Server: Connection Handling). Supported versions that are affected are MySQL Server: 8.4.0-8.4.9, 9.0.0-9.7.0; MySQL Cluster: 8.0.11-8.0.46, 8.4.0-8.4.9 and 9.0.0-9.7.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server, MySQL Cluster. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server, MySQL Cluster. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cspujun2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}}]}}}

{}

{}

{}

{}