Yesterday, NIST released information on a new network exploitable vulnerability in the GNU Bash shell as demonstrated by vectors involving parts of OpenSSH sshd, the mod_cgi, and mod_cgid modules in ...
Ashish, you can check the list of vulnerable versions and currently available hotfixes for those versions in Solution 15629 on AskF5:
http://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html