CVE-2026-71073 Denial of service in MySQL Connectors
An unauthenticated attacker with local access can cause a complete denial of service in the MySQL ODBC Connector via a crash.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-71073?
CVE-2026-71073 is a medium-severity denial of service vulnerability in Oracle Corporation MySQL Connectors, published on 18 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Vulnerability in the MySQL Connectors product of Oracle MySQL (component: Connector/ODBC). The supported version that is affected is 26.7.0. Easily exploitable vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Connectors executes to compromise MySQL Connectors. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors. CVSS 3.1 Base Score 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Weakness: CWE-404
Which versions are affected by CVE-2026-71073?
It affects 1 product.
Products include Oracle Mysql Connector\/Odbc.
How do I fix CVE-2026-71073?
No fix has been published for CVE-2026-71073 yet. Limit exposure of the affected software until one is available.
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-2026-71073 being exploited?
There is no known exploitation of CVE-2026-71073 in the wild and no public exploit code.
Other vulnerabilities in Oracle Corporation MySQL Connectors
Sources
Also known as GHSA-7j9m-3rwm-gq52, UBUNTU-CVE-2026-71073.