CVE-2025-50100 Denial of service in MySQL Server
A high-privileged attacker can cause a partial denial of service in MySQL Server via the Thread Pooling component.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-50100?
CVE-2025-50100 is a low-severity denial of service vulnerability in Oracle Mysql, published on 15 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Thread Pooling). Supported versions that are affected are 8.0.0-8.0.42, 8.4.0-8.4.5 and 9.0.0-9.3.0. Difficult to exploit 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 partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 2.2 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L).
Weakness: CWE-400
Which versions are affected by CVE-2025-50100?
It affects 1 product.
Products include Oracle Mysql.
How do I fix CVE-2025-50100?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-50100 being exploited?
There is no known exploitation of CVE-2025-50100 in the wild and no public exploit code.
Other vulnerabilities in Oracle Mysql
Sources
Also known as AZL-65306, AZL-65489, GHSA-r33m-95px-px34, MINI-j598-7r9f-hgxx, MINI-q6rf-3hwf-298h, MINI-w473-h99r-gjcm and 1 more.