Ubuntu has released security updates to address vulnerabilities in Linux kernel, git, GraphicsMagick, url-parse and curl. 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-5982-1, USN-5686-4, USN-5974-1, USN-5973-1 and USN-5964-2 and apply necessary updates.