CVE-2025-21493

mysql: Denial of Service Vulnerability in Oracle MySQL Server Privilege Management

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · January 22, 2025

Updated · August 6, 2026

Description

A flaw was found in Oracle's MySQL Server component: Security: Privileges. This vulnerability allows a high-privileged attacker to cause a denial of service, which causes frequent crashes or hangs via network access using multiple protocols.

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 · 4.4
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-404 · Improper Resource Shutdown or Release