Among the problems were a memory corruption issue and integer overflow on macOS and iOS, and buffer overflow and use after free issues on older iOS devices. To resolve the flaws, Apple has released, and . Owners of older iPhones, iPads and iPod touch devices that don’t support recent versions of iOS can download and install instead.
Given that Apple believes the flaws could have been “actively exploited,” it’s a good idea to install the updates as soon as possible.
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