CVE-2025-30429: 
macOS vulnerability analysis and mitigation

A path handling issue was discovered in Apple's operating systems that could allow an app to break out of its sandbox. The vulnerability (CVE-2025-30429) was reported by security researcher Denis Tokarev (@illusionofcha0s) and affects multiple Apple operating systems including visionOS 2.4, macOS Ventura 13.7.5, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, and macOS Sonoma 14.7.5. The issue was disclosed on March 31, 2025 (Apple Advisory).

The vulnerability exists in the Calendar component of affected Apple operating systems. The issue stems from improper validation in path handling mechanisms that could allow a malicious application to escape sandbox restrictions. Apple addressed this vulnerability by implementing improved path validation (NVD). The vulnerability has been assigned a CVSS v3.1 base score of 6.3 (Medium) with vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L (CISA-ADP).

If exploited, this vulnerability could allow a malicious application to break out of its sandbox environment. This could potentially give the application access to resources and data that should be restricted by the sandbox, compromising the security model of the operating system (Apple Advisory).

Apple has released security updates to address this vulnerability in the affected operating systems. Users should update to visionOS 2.4, macOS Ventura 13.7.5, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, or macOS Sonoma 14.7.5 as appropriate for their device (Apple Advisory).