{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101611", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-09-28T15:40:09.495Z", "datePublished": "2026-10-20T21:21:52.710Z", "dateUpdated": "2026-10-20T21:21:52.710Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:21:52.710Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Difficult to exploit vulnerability allows high privileged 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": "8.4.0-8.4.12", "status": "affected"}, {"version": "9.7.0-9.7.3", "status": "affected"}, {"version": "26.7.0-26.7.1", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "MySQL Cluster", "versions": [{"version": "8.0.0-8.0.49", "status": "affected"}, {"version": "8.4.0-8.4.12", "status": "affected"}, {"version": "9.7.0-9.7.3", "status": "affected"}, {"version": "26.7.0-26.7.1", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.7.0", "versionEndIncluding": "9.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.7.0", "versionEndIncluding": "26.7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0.0", "versionEndIncluding": "8.0.49"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0", "versionEndIncluding": "8.4.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "9.7.0", "versionEndIncluding": "9.7.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*", "versionStartIncluding": "26.7.0", "versionEndIncluding": "26.7.1"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows high privileged 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "baseScore": 4.4, "baseSeverity": "MEDIUM"}}]}}}

{}

{"affected": [{"affectedData": [{"product": "MySQL Server", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}, {"product": "MySQL Cluster", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8.0.0-8.0.49"}, {"status": "affected", "version": "8.4.0-8.4.12"}, {"status": "affected", "version": "9.7.0-9.7.3"}, {"status": "affected", "version": "26.7.0-26.7.1"}]}], "source": "secalert_us@oracle.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows high privileged 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)."}], "id": "CVE-2026-101611", "lastModified": "2026-10-21T18:43:53.023", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 0.7, "impactScore": 3.6, "source": "secalert_us@oracle.com", "type": "Primary"}]}, "published": "2026-10-20T22:18:14.880", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "mysql: mysql: Denial of Service in InnoDB", "id": "2557363", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557363"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 8.4.0-8.4.12, 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 8.0.0-8.0.49, 8.4.0-8.4.12, 9.7.0-9.7.3 and 26.7.0-26.7.1. Difficult to exploit vulnerability allows high privileged 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).", "A flaw was found in the InnoDB component of MySQL. A remote attacker with high privileges and network access can exploit this vulnerability to cause the database server to hang or repeatedly crash. This issue results in a complete Denial of Service (DoS), disrupting normal operations and rendering the database unavailable."], "name": "CVE-2026-101611", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "mysql8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T21:21:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-101611\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-101611\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "statement": "This vulnerability is rated as Moderate impact for Red Hat Enterprise Linux because successful exploitation requires high administrative privileges alongside complex conditions to trigger a denial of service. In standard enterprise deployments, MySQL services reside in restricted network segments with elevated database credentials tightly managed. While satisfying these prerequisite permissions can allow an attacker to cause the database daemon to hang or crash, confidentiality and integrity of stored records remain unaffected.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.7.0,9.7.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.7.0,26.7.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MySQL Cluster", "source": "cna", "vendor": "Oracle Corporation"}, "product": "mysql_cluster", "vendor": "oracle"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.0.49]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.4.0,8.4.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.7.0,9.7.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[26.7.0,26.7.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "MySQL Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "mysql_server", "vendor": "oracle"}], "created": "2026-10-21T00:45:14.216338+00:00", "title": "InnoDB-Induced Denial of Service in Oracle MySQL Server and Cluster", "updated": "2026-10-22T23:45:12.847480+00:00", "vendors": ["oracle", "oracle$PRODUCT$mysql_cluster", "oracle$PRODUCT$mysql_server"], "weaknesses": ["CWE-400"]}