CVE-2025-31206: 
Apple Safari vulnerability analysis and mitigation

A type confusion vulnerability (CVE-2025-31206) was discovered in WebKit, affecting multiple Apple operating systems and devices. The vulnerability was disclosed on May 12, 2025, and affects watchOS 11.5, tvOS 18.5, iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, and Safari 18.5. The issue was identified by an anonymous researcher and reported through the WebKit Bugzilla tracking system (WebKit Bugzilla: 290834) (Apple Support).

The vulnerability is a type confusion issue in WebKit that could lead to an unexpected Safari crash when processing maliciously crafted web content. The issue was addressed with improved state handling in the affected systems. The vulnerability has been assigned a CVSS v3.1 Base Score of 4.3 (MEDIUM) with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L, indicating it is network exploitable but requires user interaction (NVD).

When exploited, the vulnerability can lead to an unexpected Safari crash when processing maliciously crafted web content. This could potentially disrupt user activities and affect system stability across multiple Apple platforms including iOS, iPadOS, macOS, tvOS, watchOS, and visionOS (CVE).

Apple has released security updates to address this vulnerability across all affected platforms. The fixes are available in watchOS 11.5, tvOS 18.5, iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, and Safari 18.5. Users are advised to update their devices to these latest versions to protect against potential exploitation (Apple Support).