Apple has issued a patch for the two iOS vulnerabilities that allowed iPhone owners to jailbreak their devices via the Web through the site JailbreakMe.com. It triggered a variety of reactions. Comex, the coauthors of the JailBreakMe exploit that leveraged the iOS 4 vulnerabilities to jailbreak the iPhone, promptly posted the code for the exploit on the Web. Though the JailbreakMe site used the exploit to hack the iPhones of willing users, others could use it for malicious purposes.