Gloomy tales adcirca farmaco TOR's not sure if the arrest and the disappearance of some nodes is linked, but is saying âsomeone has exploited the software behind Freedom Hosting ⦠in a way that it injects some sort of javascript exploit in the web pages delivered to users.â That payload results in malware reaching users' PCs, possibly thanks to âpotential bugs in Firefox 17 ESR, on which our Tor Browser is based.â