CVE-2025-31222: 
macOS vulnerability analysis and mitigation

A correctness issue was discovered in Apple's mDNSResponder component that could allow users to elevate privileges. The vulnerability (CVE-2025-31222) affects multiple Apple operating systems including watchOS 11.5, macOS Sonoma 14.7.6, tvOS 18.5, iOS 18.5, iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, and macOS Ventura 13.7.6. The issue was discovered by Paweł Płatek of Trail of Bits and was publicly disclosed on May 12, 2025 (Apple Security).

The vulnerability exists in the mDNSResponder component and is characterized as a correctness issue that was addressed with improved checks. The issue has been assigned a CVSS v3.1 Base Score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, indicating local access required with low attack complexity and no user interaction needed (NVD).

The vulnerability allows a user to elevate privileges on affected systems, potentially gaining unauthorized access to system resources and sensitive data. The high CVSS score indicates significant potential impact on the confidentiality, integrity, and availability of the affected systems (CISA-ADP).

Apple has released security updates to address this vulnerability across their affected operating systems. The fixes are available in watchOS 11.5, macOS Sonoma 14.7.6, tvOS 18.5, iOS 18.5, iPadOS 18.5, macOS Sequoia 15.5, visionOS 2.5, and macOS Ventura 13.7.6. Users are advised to update their devices to the latest versions to mitigate this vulnerability (Apple Security).