Heartbleed vs. Shellshock

There have been several atrocious security vulnerabilities announced in the last few months, with Heartbleed in web servers & Shellshock in shell command lines.

Shellshock bug: Some Canadian government systems taken offline as precaution

What is Shellshock? The OS X and Linux Bash Bug that Could be Bigger than Heartbleed

Shellshock: What you need to know about the bug

What is ShellShock vulnerability? - The Security Buddy

About the Shellshock Vulnerability: The Basics of the “Bash Bug” - Security News

Detect Heartbleed SSL Vulnerability Automatically with Netsparker

Heartbleed Exploit - Discovery & Exploitation

Shellshock: Treatment Underway - 7 Elements

Heartbleed and Shellshock: The New Norm in Vulnerabilities