A serious vulnerability in the popular open source cryptographic library OpenSSL has been disclosed and Proof-of-Concept (POC) exploit code is publicly available. This affects deployments using 1.0.1 and 1.0.2-beta releases with TLS heartbeat extension enabled. Successful exploitation allows an attacker to remotely read system memory contents without even needing to log on to the server. It is highly advised to update all the affected products as soon as a patch for the particular product is available and to proactively get updates from the affected vendors.