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Apple WebKit Memory Corruption Vulnerability Leading to Safari Crash

Vulnerability

A memory corruption vulnerability has been identified in the WebKit component of multiple Apple operating systems, including macOS Sequoia 15.6, iOS 18.6, iPadOS 18.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6. This vulnerability arises from an out-of-bounds access issue, which was addressed with improved bounds checking. However, processing maliciously crafted web content can still lead to an unexpected crash in Safari.

Impact

Exploitation of this vulnerability causes Safari to crash unexpectedly.

Added: Jul 30, 2025, 2:02 AM
Updated: Jul 30, 2025, 2:02 AM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.4
remediation
7.7
relevance
0.3
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.