Solution
Please Install the Updated Packages.
Insight
The GNU Bourne Again shell (Bash) is a shell or command language interpreter that is compatible with the Bourne shell (sh). Bash incorporates useful features from the Korn shell (ksh) and the C shell (csh). Most sh scripts can be run by bash without modification.
Affected
bash on Fedora 20
References
Updated on 2015-03-25