Ubuntu has released security updates to address vulnerabilities in snapd, phpCAS, Linux kernel, OpenSSL, clickHouse and OpenJDK. Exploitation of these vulnerabilities may allow an attacker to take control of affected system.
Users and administrators are encouraged to review Ubuntu Security Advisories USN-6940-1, USN-6913-2, USN-6938-1, USN-6937-1, USN-6933-1 and USN-6932-1 and apply necessary updates.