Apple Ships Urgent iOS Patch for WebKit Zero-Day


Apple on Monday rolled out an urgent software update to its iOS and iPadOS mobile operating systems and warned that zero-day exploitation has already been detected.

For the second time since adopting the “rapid security responses” process to address zero-day attacks, Apple pushed iOS 16.5.1 (a) and iPadOS 16.5.1 (a) to devices globally after an anonymous researcher disclosed the underlying vulnerability.

A barebones advisory from Cupertino said the security defect exists in WebKit, the browser engine used by Safari, Mail, AppStore and many other apps on iOS- and macOS-powered devices.

“Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited,” the company said. “The issue was addressed with improved checks.”

The vulnerability has been tagged as CVE-2023-37450.

So far in 2023, there have been 41 publicly documented cases of zero-day attacks with more than one-fifth (22 percent) affecting software code on Apple devices.

Related: Problems Installing Apple’s First iOS Rapid Security Response Patch 

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Related: Apple Ships Urgent iOS Patch for Exploited Zero-Days

Related: Apple Fixes Exploited Zero-Day With iOS 16.1 Patch

Related: Apple Says WebKit Zero-Day Hitting iOS, macOS Devices



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