Medium [CVE-2026-71084] Denial of Service via unauthenticated local access
This medium-severity Red Hat Linux advisory covers CVE-2026-71084 affecting Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat package: mysql-connector-odbc.
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Summary
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 of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Connectors and unauthorized read access to a subset of MySQL Connectors accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Availability impacts).
CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H). This can lead to a complete denial of service (DoS) by causing the component to crash repeatedly.
Red Hat severity: Moderate — CVSS 6.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H). Weakness: CWE-125.
Affected Red Hat products: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Will not fix / out of support: Red Hat Enterprise Linux 6.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected products named by the advisory: Red Hat package: mysql-connector-odbc.
- 26.7.0
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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