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CVE-2026-101619

mysql: mysql: Denial of Service in InnoDB

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Severity

Moderate

Red Hat Product Security

4.9

CVSS 3.1

Review impact separately from score.

Published · October 21, 2026

Updated · October 23, 2026

Description

A flaw was found in the InnoDB component of MySQL. A high-privileged attacker with network access could exploit this vulnerability to trigger an unexpected hang or crash of the database server. A successful attack can result in a complete Denial of Service (DoS).

Statement

This vulnerability is rated as Moderate impact because successful exploitation requires an attacker to possess high administrative privileges within the database. Although an authorized administrator with network reachability can cause the InnoDB engine to hang or crash the MySQL service, the flaw does not compromise data confidentiality or integrity. Standard enterprise configurations that isolate database ports and limit elevated administrative credentials significantly lower the real-world risk.

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 · 4.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-617 · Reachable Assertion