Apple WebKit Memory Management Vulnerability Leading to Process Crash
Vulnerability
A use-after-free vulnerability has been identified in the WebKit component of Apple Safari, iOS, iPadOS, macOS Tahoe, and visionOS. This vulnerability allows processing of maliciously crafted web content, which may result in an unexpected process crash. The issue is present in WebKit versions bundled with Safari 26.4, iOS 26.4, iPadOS 26.4, macOS Tahoe 26.4, and visionOS 26.4.
Impact
Exploitation of this vulnerability leads to a process crash, causing a denial-of-service condition.
Remediation
Users can update to Safari 26.4, iOS 26.4, iPadOS 26.4, macOS Tahoe 26.4, or visionOS 26.4 to address this vulnerability.
Vulnerability Rating
Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.