CVE-2024-27880 is an out-of-bounds read vulnerability that was addressed by improved input validation in multiple Apple operating systems. The flaw could cause an application to terminate unexpectedly when processing a maliciously crafted file. The issue is fixed in iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, and tvOS 18.