Oracle Linux: CVE-2025-21491: ELSA-2025-1671: mysql security update (IMPORTANT) (Multiple Advisories)

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
A flaw was found in MySQL Server, specifically in the InnoDB component. This vulnerability allows a high-privileged attacker to cause a hang or frequently repeatable crash, resulting in a complete denial of service via network access through multiple protocols.