CVE-2025-31237
macOS vulnerability analysis and mitigation

Overview

CVE-2025-31237 is a security vulnerability discovered by Dave G. affecting multiple versions of Apple's macOS operating systems. The vulnerability was disclosed on May 12, 2025, and impacts macOS Ventura 13.7.6, macOS Sequoia 15.5, and macOS Sonoma 14.7.6. The issue affects the Apple File Protocol (AFP) system component (Apple Support, Apple Support, Apple Support).

Technical details

The vulnerability exists in the AFP file system component of macOS, where improper checks when handling maliciously crafted AFP network shares can lead to system termination. The issue has been assigned a CVSS 3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H and is associated with CWE-404 (Improper Resource Shutdown or Release) (NVD, Wiz).

Impact

When successfully exploited, this vulnerability can lead to system termination, potentially causing disruption of service on affected macOS systems. The impact is primarily limited to system availability, with no reported capability for code execution or privilege escalation (Apple Support, Wiz).

Mitigation and workarounds

Apple has released security updates to address this vulnerability in macOS Ventura 13.7.6, macOS Sequoia 15.5, and macOS Sonoma 14.7.6. Users are strongly advised to update their systems to the latest available versions to receive the security fixes that include improved checks for handling AFP network shares (Apple Support, Apple Support, Apple Support).

Additional resources


SourceThis report was generated using AI

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