iOS 16

iOS 16.5.1 fixes two major security flaws

iOS 16.5.1 brings important security fixes

Apple has released iOS 16.5.1, bringing fixes for two serious security flaws already being used in real-life iPhone attacks.

iOS 16.5.1 fixes an issue in the Kernel  that could allow an attacker to execute code with Kernel privileges.

“Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7,” the company said.

The second issue fixed in iOS 16.5.1 is a flaw in WebKit, the engine that underpins Apple’s Safari browser, which could enable an attacker to execute code via malicious web content.

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Apple said it is “aware of a report that this issue may have been actively exploited.”

iOS 16.5.1 also fixes an issue that prevents charging with the Lightning to USB 3 Camera Adaptor.

It is unclear at the time of publishing why this upgrade was not released as a Rapid Security Response Update, opposed to a point upgrade. Needless to say  due to the severity of these vulnerabilities, it is extremely important you update to iOS 16.5.1 as soon as you can.

iOS 16.5.1 Security Fixes

Kernel

Impact: An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

Description: An integer overflow was addressed with improved input validation.

WebKit

Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Description: A type confusion issue was addressed with improved checks.

iOS 16.5.1 Supported Devices

iOS 16.5 will run on all iPhones from iPhone 8 onwards. To be exact:

  • iPhone 14
  • iPhone 14 Plus
  • iPhone 14 Pro
  • iPhone 14 Pro Max
  • iPhone 13
  • iPhone 13 mini
  • iPhone 13 Pro
  • iPhone 13 Pro Max
  • iPhone 12
  • iPhone 12 mini
  • iPhone 12 Pro
  • iPhone 12 Pro Max
  • iPhone 11
  • iPhone 11 Pro
  • iPhone 11 Pro Max
  • iPhone Xs
  • iPhone XS Max
  • iPhone XR
  • iPhone X
  • iPhone 8
  • iPhone 8 Plus
  • iPhone SE (2nd generation or later)

As normal, to update to iOS 16.5.1, go to your iPhone Settings > General > Software Update and install iOS 16.5.1 when you can.