Apple releases update to fix WebKit vulnerability and excessive power consumption in MacBook

Apple has released updates for iPhone, iPad, Mac and Apple Watch. Although the updates for each device are small, they address WebKit vulnerabilities. The company also assured that it has fixed a bug that caused MacBook laptops to unexpectedly drain their batteries.

Apple iOS and iPadOS 15.3.1 are minor updates. It doesn't actually contain any major features. However, it is useful for people using braille displays. Additionally, the update resolves an arbitrary code execution vulnerability. The update notes for iOS 15.3.1 mention:

iOS 15.3.1 provides important security updates for your iPhone and fixes an issue that may cause your braille display to stop responding.

Apple also released information about WebKit security vulnerabilities patched by security updates:

Web Kit

Applies to: iPhone 6s and later , iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)

Impact: Addressing malicious Crafted web content may lead to arbitrary code execution. Apple is aware of reports that this issue may be actively exploited.

Description: A use-after-free issue has been addressed through improved memory management.

CVE-2022-22620: Anonymous Researcher

macOS Monterey 12.2.1, for older MacBook series laptops, resolves a strange and concerning bug. This bug primarily affects devices running on Intel CPUs. The update notes for macOS Monterey 12.2.1 mention:

macOS 12.2.1 provides important security updates and fixes a potential battery issue on Intel-based Mac computers when connected to Bluetooth peripherals Problems with exhaustion during sleep.

This error occurs randomly but can quickly drain the MacBook battery to 0% or shut down. Several users of Intel-based MacBook laptops have observed that their devices completely run out of battery power after being idle or in sleep mode.

It turns out that Bluetooth accessories repeatedly wake up the MacBook laptop they are synced to. Apple has assured that the bug has been fixed with the latest update.

Apple has not yet provided any details about the watchOS 8.4.2 update for Apple Watch. The company only mentioned that the update fixes bugs and provides security updates.

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