An out-of-bounds read vulnerability was addressed by improved bounds checking in several Apple operating systems including iOS, iPadOS, macOS, and visionOS. The flaw could allow an application to cause a denial-of-service condition. The issue is fixed in iOS 26.7.2 and later, iPadOS 26.7.2 and later, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, and visionOS 27.