About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.
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iOS 15.2.1 and iPadOS 15.2.1
Released January 12, 2022
Available for: 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: Processing a maliciously crafted HomeKit accessory name may cause a denial of service
Description: A resource exhaustion issue was addressed with improved input validation.
CVE-2022-22588: Trevor Spiniolas (@TrevorSpiniolas)