Mozilla Firefox DATA URI File Deletion Vulnerability Solution:
The vendor has released version 0.10.1 of Firefox, as well as a patch for Firefox Preview Release users addressing this issue:
Mozilla Firefox Preview Release
Mozilla Firefox 0.10
Mozilla Firefox 0.8
Mozilla Firefox 0.9
Mozilla Firefox 0.9 rc
Mozilla Firefox 0.9.1
Mozilla Firefox 0.9.2
Mozilla Firefox 0.9.3