CVE-2025-50094

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL). Supported versions that are affected are 8.0.42, 8.4.5 and 9.3.0. 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 vulnerability was found in the MySQL Server DDL component of Oracle MySQL, rated moderate by Red Hat with a CVSS 3.1 base score of 4.9 (AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H), affecting only availability. A remote attacker with high privileges and network access via multiple protocols could exploit this flaw to cause a hang or frequently repeatable crash, resulting in a complete denial of service of the MySQL server. The Red Hat severity matches the upstream Oracle assessment. Red Hat Enterprise Linux 8, 9, and 10 ship affected mysql and mysql8.4 packages, and fixes for these products are being pursued through the delegated resolution process. MySQL as shipped in Red Hat Enterprise Linux 6 Extended Lifecycle Support is not affected because the vulnerable code is not present. Fedora also ships affected mysql8.0 and mysql8.4 packages.

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 for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.