Apple WebKit Use-After-Free Vulnerability Allowing Process Crash

A use-after-free vulnerability has been identified in the WebKit component of various Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. This vulnerability arises from improper memory management when processing maliciously crafted web content, which can lead to an unexpected process crash. The issue is present in WebKit versions bundled with iOS 18.7.7, iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, tvOS 26.4, visionOS 26.4, and watchOS 26.4.

Impact

Exploitation of this vulnerability causes a use-after-free condition, leading to a process crash. However, such use-after-free vulnerabilities can often be exploited to execute arbitrary code under certain conditions.