CVE-2024-21127: 
MySQL vulnerability analysis and mitigation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: DDL) affects versions 8.0.37 and prior, and 8.4.0 and prior. This vulnerability allows high privileged attackers with network access via multiple protocols to compromise MySQL Server (Oracle Advisory).

The vulnerability has a CVSS 3.1 Base Score of 4.9 (Medium severity). The attack vector is Network (AV:N), with Low attack complexity (AC:L), requiring High privileges (PR:H), and No user interaction (UI:N). The scope is Unchanged (S:U), with No impact on confidentiality (C:N) or integrity (I:N), but High impact on availability (A:H) (Oracle Advisory).

Successful exploitation of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash, leading to a complete denial of service (DOS) of MySQL Server (Oracle Advisory).

The vulnerability is considered easily exploitable but requires high privileges and network access via multiple protocols to compromise MySQL Server (Oracle Advisory).

Oracle has released patches to address this vulnerability. Users should upgrade to MySQL version 8.0.39 or later. Ubuntu users can update to mysql-server-8.0 version 8.0.39-0ubuntu0.24.04.1 for Ubuntu 24.04, version 8.0.39-0ubuntu0.22.04.1 for Ubuntu 22.04, and version 8.0.39-0ubuntu0.20.04.1 for Ubuntu 20.04 (Ubuntu Notice).