The ones in this update are the nineteenth and twentieth zero-day vulnerabilities that Apple has fixe in 2023.Īs the Daily Mail reported, attackers are out there. As Bleeping Computer has pointed out, there have been a bunch of them this year. Zero-day vulnerabilities, as they are called, are serious, as they refer to a vulnerability that was previously unknown to the developer, giving zero days of awareness and defense against it. As soon as Apple revealed the details of the update and the big security implications, it became clear why iOS 17.1.2 was released as soon as it was. So, please check here for full details.ĭecember 2 update. I’ll be looking into how successful this release has been or whether it’s caused problems, and advising whether you should update or not. In this case, both fixes are for WebKit, Apple’s web browser engine, the first where sensitive information could have been disclosed, while the other may have been exploited for arbitrary code execution.įull notes below. When you see the words “this issue may have been exploited,” as appear in the notes, it’s an indication that the update is urgent and deals with important stuff. It looks like we need to wait for iOS 17.2, expected in December, for shiny new features, including the much-anticipated Journal app, changes to the Apple TV app and ways to change notification sounds.Īpple has now published its security notes, and it’s now clear that’s why this update has landed when it did. Apple merely says, “This update provides important security fixes and is recommended for all users.” In other words, while you could have iOS 17.1.1 (a), you couldn’t have iOS 17 (a). RSRs are easily spotted by the bracketed letter at the end of the version number, and they can’t be added to whole-number updates. Those are exclusively for security fixes, that is, they can’t include new features, for instance.

It’s not a Rapid Security Response, the kind that Apple pioneered earlier this year and which is designed to ensure that the most urgent security fixes can be deployed as soon as possible, without waiting for the next regular update. But last week there were rumors of an in-between release, and that’s what this is.

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