In the mean time, Symantec has this to say.

The code for Norton Utilities that was posted publicly is related to the 2006 version of Norton Utilities only. That version of the product is no longer sold or supported. The current version of Norton Utilities has been completely rebuilt and shares no common code with Norton Utilities 2006. The code that has been posted for the 2006 version poses no security threat to users of the current version of Norton Utilities. Furthermore, we have no indications that the code disclosure impacts the functionality or security of any of Symantec’s other solutions. Lastly, there are no indications that customer information has been impacted or exposed at this time. As always, in general, Symantec recommends that users keep their solutions updated which will help ensure protection against any new possible threats.