CVE-2026-101608

mysql: mysql: Denial of Service via Server Optimizer component

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Severity

Moderate

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · October 21, 2026

Updated · October 23, 2026

Description

A flaw was found in the MySQL Server Optimizer component. An authenticated remote attacker with low privileges can exploit this vulnerability over the network across multiple protocols. A successful attack allows the attacker to cause the database server to hang or repeatedly crash, leading to a complete Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption