OS X Bash Update
The 1.0 version of OS X Bash Update for Mac is provided as a free download on our software library. The application lies within System Tools, more precisely System Optimization. This free Mac application was originally designed by Apple Inc. Our antivirus scan shows that this Mac download is virus free. The file size of the latest installation package available is 3.3 MB.
From the developer:
OS X bash Update fixes a security flaw in the bash UNIX shell on OS X 10.9.5 (also on OS X 10.8 and 10.7). In addition, this update added a new namespace for exported functions by creating a function decorator to prevent unintended header passthrough to Bash.
You may want to check out more software for Mac, such as Mass Update Anything, MAME OS X or Tutor for OS X Mountain Lion, which might be similar to OS X Bash Update.