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macOS Sierra, OS X El Capitan Get Meltdown Security Patches, macOS High Sierra 10.13.3 Update Released

macOS Sierra, OS X El Capitan Get Meltdown Security Patches, macOS High Sierra 10.13.3 Update Released 5g4558

By Ankit Chawla | Updated: 24 January 2018 10:52 IST

Highlights

The update version 10.12.6 brings the patch on macOS Sierra
The update version 10.11.6 brings the patch on OS X El Capitan
macOS High Sierra also gets 10.13.3 for minor fixes

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The first week of 2018 saw global security flaws such as macOS High Sierra 10.13.3 update has also been released for minor fixes. 655x2v

Available on macOS High Sierra version 10.13.2, the security patch has now been OS X El Capitan 10.11.6. While the update has modifications on several fronts such as audio, kernel, WebKit, and Wi-Fi, the most noticeable feature is the security patch against the Meltdown bug. The update also fixes issues like a maliciously crafted audio file leading to arbitrary code execution and one where an application could run arbitrary code using kernel privileges. Spectre vulnerabilities were taken care of with the earlier update in January, when Apple included security improvements to Safari (v11.0.2) and WebKit that were meant for macOS Sierra 10.12.6 and OS X El Capitan 10.11.6 apart from macOS High Sierra 10.13.2.

Additionally, Apple has also released macOS High Sierra version 10.13.3 that focuses on security, stability, and bug fixes. According to the update's release notes, it "Addresses an issue that could cause Messages conversations to temporarily be listed out of order" and "Resolves an issue that could cause your Mac to stop responding when connected to an SMB server."

Finally, Apple has also released an update to Safari (v11.0.3) that is available for OS X El Capitan 10.11.6, macOS Sierra 10.12.6, and macOS High Sierra 10.13.3. It fixes an issue where processing maliciously crafted Web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.

How to install the latest macOS, OS X update
Updating your Mac device to the latest macOS, OS X version is simple. Launch the App Store on your Mac and search for "macOS" (go directly to this link for macOS High Sierra). Click on the macOS version you want to install, and click . Enter your Apple ID credentials in the provided box.

Once ed, an information window will pop up on your screen. Click on Continue and wait till the update automatically installs on your device. Installing the update will restart your computer.

On the mobile front, Apple has released the latest iOS 11.2.5 which comes with compatibility for Siri (only in UK, US, and Australia). A patch for Meltdown on iOS was released in early January.

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