---
id: CVE-2026-101613
title: 'mysql: mysql: Denial of service via DDL component (CVE-2026-101613)'
summary: >-
  A flaw was found in the Data Definition Language (DDL) component of MySQL
  Server and MySQL Cluster. An authenticated attacker with high privileges and
  network access can exploit this vulnerability to cause the server to hang or
  crash repea…
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe: CWE-400
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: '2026-10-22T22:14:41+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101613.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-101613.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-101613'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2557607'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-101613'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-101613'
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00422
epssPercentile: 0.36336
ingestedAt: '2026-10-20T22:23:33.972Z'
---

## Overview

A flaw was found in the Data Definition Language (DDL) component of MySQL Server and MySQL Cluster. An authenticated attacker with high privileges and network access can exploit this vulnerability to cause the server to hang or crash repeatedly. This flaw primarily results in a complete denial of service (DoS) for the database service.

## Vendor advisories

- **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-2026-101613.json)

**mysql: mysql: Denial of service via DDL component** — rated Moderate by Red Hat. Released 2026-10-20, updated 2026-10-22.

Affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9

No fix planned:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9

Not affected:

- Red Hat Enterprise Linux 6
- Red Hat Hardened Images

## Remediation

Affected