Yahoo was alerted to a flaw in its servers by researchers scanning for Shellshock vulnerabilities, but said that attackers used a different vulnerability to compromise its servers.
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Apple has launched bug fixes for the various currently supported versions of Mac OS X to address the recently discovered serious security flaw in Bash, known as "Shellshock"
While the UNIX world worked hard to fix the vulnerability in the bash shell, attention is now being turned to embedded-type devices such as routers and personal NAS devices as they run bash too.