It may **t seem urgent because it's only a "point release," but the update is crucial or you risk having all of your data secretly stolen by invisible malware that can install itself on your device and even uninstall itself without leaving any traces behind.
Two reports from the New York Times and Motherboard published on Thursday detail how three major security holes, *****ed via the update, could be exploited by ******s to track and steal practically all of the private data on your iOS device. Read more...