Serious vulnerability
CVE-2014-6271 was discovered in number of unix and linux distributions. Patches were released for Red Hat Enterprise Linux (versions 4 through 7), Fedoru, CentOs (versions 5 through 7), Ubuntu (10.04LTS, 12.04 LTS a 14.04 LTS) a Debian. At the same time proof-of-concept was released. You can do a check for vulnerable bash. We recommend to patch all the vulnerable distributions.