{"id":"CVE-2026-101761","title":"mysql: mysql: Denial of Service via security encryption component (CVE-2026-101761)","summary":"A flaw was found in MySQL. An unauthenticated remote attacker with network access via multiple protocols can exploit this vulnerability in the security encryption component to cause the service to hang or crash repeatedly. Successful explo…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-770","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","affected":["enterprise_linux 10","enterprise_linux 9"],"published":"2026-10-20","updated":"2026-10-22","sourceUpdated":"2026-10-22T22:19:09+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101761.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101761.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-101761"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2557556"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-101761"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101761"},{"url":"https://www.oracle.com/security-alerts/cpuoct2026.html"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00322,"epssPercentile":0.25063,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-22T17:26:25.546790Z"},"ingestedAt":"2026-10-20T22:23:33.929Z","slug":"CVE-2026-101761","body":"## Overview\n\nA flaw was found in MySQL. An unauthenticated remote attacker with network access via multiple protocols can exploit this vulnerability in the security encryption component to cause the service to hang or crash repeatedly. Successful exploitation results in a complete Denial of Service (DoS).\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101761.json)\n\n**mysql: mysql: Denial of Service via security encryption component** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-22.\n\nAffected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 9\n\nNot affected:\n\n- Red Hat Enterprise Linux 6\n- Red Hat Hardened Images\n\n## Remediation\n\nAffected","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}