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Heartbleed

Heartbleed is a security bug in the OpenSSL cryptography library. OpenSSL is a widely used implementation of the Transport Layer Security (TLS) protocol. Heartbleed may be exploited whether the party using a vulnerable OpenSSL instance for TLS is a server or a client. Heartbleed results from improper input validation (due to a missing bounds check) in the implementation of the TLS heartbeat extension, the heartbeat being the basis for the bug's name. The vulnerability is classified as a buffer over-read, a situation where software allows more data to be read than should be allowed. Heartbleed is registered in the Common Vulnerabilities and Exposures system as CVE-2014-0160. The federal Canadian Cyber Incident Response Centre issued a security bulletin advising system administrators about the bug. A fixed version of OpenSSL was released on April 7, 2014, on the same day Heartbleed was publicly disclosed. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video