{"id":"CVE-2026-101637","title":"mysql: mysql: Denial of Service via InnoDB component (CVE-2026-101637)","summary":"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, explo…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H","cvssSource":"vendor","cwe":"CWE-617","vendor":"Red Hat","product":"MySQL Server","affected":["mysql_server 9.7.0-9.7.3","mysql_server 26.7.0-26.7.1","mysql_cluster 9.7.0-9.7.3","mysql_cluster 26.7.0-26.7.1"],"published":"2026-10-20","updated":"2026-10-23","sourceUpdated":"2026-10-23T19:20:54+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101637.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101637.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-101637"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557721"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-101637"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101637"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00395,"epssPercentile":0.33535,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-21T18:19:43.418342Z"},"ingestedAt":"2026-10-20T22:23:33.965Z","slug":"CVE-2026-101637","body":"## Overview\n\nA 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.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101637.json)\n\n**mysql: mysql: Denial of Service via InnoDB component** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-23.\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 9\n- Red Hat Hardened Images\n\n## Remediation\n\nRefer to the advisory for fix availability.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}