An out-of-bounds write issue was addressed with improved bounds checking.

MacOS Tahoe 26.0.1
Released September 29, 2025

FontParser

• Available for: macOS Tahoe
• Impact: Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory
• Description: An out-of-bounds write issue was addressed with improved bounds checking.
  CVE-2025-43400: Apple