Oracle Linux 10 Security Issues: MySQL and MariaDB Connector Patches Released

On July 28, 2026, Oracle released security advisories for Oracle Linux 10 addressing vulnerabilities in MySQL 8.4 and MariaDB Connector C. The MySQL 8.4 advisory (ELSA-2026-20693) includes multiple CVEs, notably CVE-2026-21998 and CVE-2026-22001, which could lead to privilege escalation and system compromise. The MariaDB Connector C advisory (ELSA-2026-43505) addresses a critical vulnerability, CVE-2026-44172, which poses a significant risk to users. Both advisories recommend auditing Linux privileges to mitigate risks. The patches are available for various architectures, including x86_64 and aarch64. Organizations using affected versions are urged to apply the updates to prevent potential exploitation.

Key Points: • Oracle released security patches for MySQL 8.4 and MariaDB Connector C on July 28, 2026. • MySQL vulnerabilities include CVE-2026-21998 and CVE-2026-22001, which may allow privilege escalation. • CVE-2026-44172 in MariaDB Connector C is classified as critical and requires immediate attention.