SB20261107436 - Multiple vulnerabilities in MySQL Connectors

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2026-71073)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Connector/ODBC component in MySQL Connectors. A local non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

2) Improper input validation (CVE-ID: CVE-2026-71079)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Connector/ODBC component in MySQL Connectors. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

3) Improper input validation (CVE-ID: CVE-2026-71084)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a local non-authenticated attacker to access sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Connector/ODBC component in MySQL Connectors. A local non-authenticated attacker can exploit this vulnerability to access sensitive information or perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://www.oracle.com/security-alerts/cspuaug2026.html