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{"bugzilla": {"description": "mysql: mysql: Denial of Service via InnoDB component", "id": "2557721", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557721"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["Vulnerability in the MySQL Server, MySQL Cluster product of Oracle MySQL (component: InnoDB). Supported versions that are affected are MySQL Server: 9.7.0-9.7.3, 26.7.0-26.7.1; MySQL Cluster: 9.7.0-9.7.3 and 26.7.0-26.7.1. Easily exploitable 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 as well as unauthorized update, insert or delete access to some of MySQL Server, MySQL Cluster accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).", "A flaw was found in MySQL's InnoDB component. A high-privileged remote attacker with network access can exploit this vulnerability to cause the server to hang or crash repeatedly, resulting in a Denial of Service (DoS). Additionally, exploitation can allow unauthorized data modification, enabling the attacker to insert, update, or delete certain database records."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-101637", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "Not affected", "package_name": "mysql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "mariadb11.8", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-20T21:22:02Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-101637\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-101637\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "statement": "This vulnerability is rated with Moderate severity for Red Hat deployments because successful exploitation demands high administrative privileges, substantially constraining the blast radius. Although the issue resides in the core InnoDB storage engine and could allow an authenticated attacker to trigger an instance crash or unauthorized data modifications, untrusted or unauthenticated network users cannot exploit it directly. Furthermore, supported Red Hat Enterprise Linux releases do not include the vulnerable upstream code.", "threat_severity": "Moderate"}