CVE-2025-43227: 
Apple Safari vulnerability analysis and mitigation

CVE-2025-43227 is a security vulnerability discovered in Apple's WebKit component that affects multiple Apple operating systems and Safari browser. The vulnerability was disclosed on July 29, 2025, and fixed in Safari 18.6, iOS 18.6, iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6. The vulnerability was discovered by security researcher Gilad Moav (Apple Security).

The vulnerability exists in WebKit's state management functionality. When processing maliciously crafted web content, the vulnerability could lead to disclosure of sensitive user information. The issue was addressed through improved state management implementation. The vulnerability has been assigned a CVSS v3.1 base score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating it can be exploited remotely with no privileges required (NVD).

The vulnerability allows attackers to disclose sensitive user information through maliciously crafted web content. This could potentially lead to unauthorized access to user data when visiting compromised or malicious websites (Apple Security).

Apple has released security updates to address this vulnerability across multiple platforms: Safari 18.6, iOS 18.6, iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6. Users are advised to update their devices to these latest versions to protect against potential exploitation (Apple Security).