CVE-2025-50096 Denial of service in MySQL Server
A high-privileged attacker with local access can cause a complete denial of service in MySQL Server by triggering a crash or hang.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-50096?
CVE-2025-50096 is a medium-severity denial of service vulnerability in Oracle Mysql, published on 15 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). 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. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where MySQL Server executes 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 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-400
Which versions are affected by CVE-2025-50096?
It affects 1 product.
Products include Oracle Mysql.
How do I fix CVE-2025-50096?
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-2025-50096 being exploited?
There is no known exploitation of CVE-2025-50096 in the wild and no public exploit code.
Other vulnerabilities in Oracle Mysql
Sources
Also known as AZL-65270, AZL-65477, GHSA-qgc6-wcr8-wwjx, MINI-h624-9fmr-2pqv, MINI-rqg5-554f-63mx, MINI-vghg-cmmp-5662 and 1 more.