Secure Cyber Vulnerability Management

31/07/2025
Zero-Day Initiative

ZDI-25-727: Apple macOS libFontValidation kern Table Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. Interaction with the libFontValidation library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The ZDI has assigned a CVSS rating of 7.8.

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