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14/11/2025
Zero-Day Initiative

ZDI-25-1005: Apple macOS WindowServer Excessive Iteration Denial-of-Service Vulnerability

by Deepanshu Jha
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Apple macOS. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.3. The following CVEs are assigned: CVE-2025-43401.
  • Next ZDI-25-1006: Apple macOS CoreText Font Glyph Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
  • Previous ZDI-25-1004: Apple macOS USD importMeshJointWeights Heap-based Buffer Overflow Remote Code Execution Vulnerability

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