Apple’s latest iOS 4 update dropped yesterday, which “fixes a security vulnerability with certificate validation.” Jailbreakers were initially advised not to update to the latest firmware, but as long as you’re happy with a tethered jailbreak for the foreseeable future, you’re safe to go ahead and update your device and then jailbreak with the latest RedSn0w release.
Apple released its promised iOS 4.3.4 software towards the end of last week to fix a security vulnerability in mobile Safari that made the latest JailbreakMe exploit possible. It goes without saying, then, that updating your device will eliminate the possibility of jailbreaking with JailbreakMe, but it will also kill all other untethered jailbreaks too!
Apple has just released the latest version of iOS to combat the PDF vulnerability that was uncovered by the recent JailbreakMe tool. iOS 4.3.4 is now available for the iPhone, iPad and iPod touch. iOS 4.2.9 has also been released for the Verizon iPhone with the same fix.