Apple released back-to-back
updates for iOS and Safari this week, both numbered 15.6.1. The iOS update was
released on Wednesday and the Safari
update was released Thursday, and both address security
vulnerabilities. Apple wrote that it's aware these vulnerabilities may have
been exploited so people should update their iOS and Safari as soon as they
can.
The iOS update is
recommended for all users, according to Apple. It addresses two vulnerabilities
iPhone and iPad users might encounter. One vulnerability could have allowed an
application to execute arbitrary code with kernel privileges, and the second
vulnerability was in WebKit, the engine that powers Safari and other
third-party browsers on iOS. The WebKit vulnerability may lead to malicious
content arbitrarily executing code, as well.
Here's how to download the
iOS 15.6.1 update:
1. Open Settings.
2. Tap General.
3. Tap Software Update.
4. You will be prompted to download and install 15.6.1. If you have already 15.6.1 downloaded, your phone should say it is up to date.
If you see an error message
while you're trying to download the update, don't worry. Since the update is
new and recommended for everyone, others are probably trying to download it at
the same time. Keep retrying to download and install, and soon the update will
go through.
2. Tap General.
3. Tap Software Update.
4. You will be prompted to download and install 15.6.1. If you have already 15.6.1 downloaded, your phone should say it is up to date.
The Safari update also addresses a vulnerability in WebKit, but in some older operating systems. This update is meant to address a vulnerability that could lead to an arbitrary code execution on MacOS Big Sur and MacOS Catalina.
2. Click System Preferences.
3. Click Software Update.
4. Click Update Now. If you already have 15.6.1 downloaded, you shouldn't have any updates available.
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