Medium [CVE-2026-71079] Denial of Service via network access by a low privileged attacker
This medium-severity Red Hat Linux advisory covers CVE-2026-71079 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 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).
This vulnerability allows a low privileged attacker with network access to cause a complete denial of service (DoS) by triggering a hang or frequently repeatable crash of the component. The attacker can exploit this flaw through multiple protocols.
Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-770.
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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