OpenSSL has released security updates to address vulnerabilities in previous versions. Exploitation of one of these vulnerabilities may allow a remote attacker to take control of an affected system.
Available updates include:
OpenSSL 1.0.2h for 1.0.2 users
OpenSSL 1.0.1t for 1.0.1 users
US-CERT encourages users and administrators to review the OpenSSL Security Advisory page and apply the necessary updates.