September 30, 2023

Apple has released patches to address a new zero-day vulnerability (10th of year 2022), tracked as CVE-2022-42856, which is actively exploited in attacks against iPhones.

Apple released security bulletins for iOS/iPadOS 15.7.2, Safari 16.2, tvOS 16.2, and macOS Ventura 13.1. Apple addressed the vulnerability with improved state handling for the iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation).


The CVE-2022-42856 flaw is a type confusion issue that impacts the WebKit browser engine, an attacker can exploit the bug when processing specially crafted content to achieve arbitrary code execution.

Additional information from the group on this discovery is yet to be revealed. For now, there are no public details about the attacks exploiting the vulnerability.

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 against versions of iOS released before iOS 15.1.A type confusion issue was addressed with improved state handling.

Apple Advisory

Zero-day vulnerabilities addressed by Apple in 2022

  • January 2022: CVE-2022-22587 and CVE-2022-22594.
  • February 2022: CVE-2022-22620.
  • March 2022: CVE-2022-22674 and CVE-2022-22675.
  • May 2022: CVE-2022-22675
  • August 2022: CVE-2022-32894
  • September 2022: CVE-2022-32917
  • October 2022: CVE-2022-42827

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