Apple released a patch for the bash UNIX shell to address two serious security vulnerabilities known as ‘shell shock.’ The updates don’t appear to be in Software Update and can be manually installed for OS 10.7, 10.8, and 10.9.
Two additional vulnerabilities have been discovered. Those not wanting to wait for Apple, or needing to patch OS 10.6, can refer to articles on MacIssues or WonderHowTo.














