CVE-2026-71079 Denial of service in MySQL Connectors

Medium 6.5 Published 18 Aug 2026 Updated 19 Aug 2026

A low-privileged attacker can cause a complete denial of service in the MySQL ODBC Connector via network access.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-71079?

CVE-2026-71079 is a medium-severity denial of service vulnerability in Oracle Corporation MySQL Connectors, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

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 low privileged attacker with network access via multiple protocols to compromise MySQL Connectors. 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Weakness: CWE-284

Which versions are affected by CVE-2026-71079?

It affects 1 product.

Products include Oracle Mysql Connector\/Odbc.

How do I fix CVE-2026-71079?

No fix has been published for CVE-2026-71079 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-2026-71079 being exploited?

There is no known exploitation of CVE-2026-71079 in the wild and no public exploit code.

Sources

Also known as GHSA-446p-fj7m-m2rg, UBUNTU-CVE-2026-71079.