CVE-2025-43464: Apple macOS

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.1. Visiting a website may lead to an app denial-of-service.

Affected products

• Apple macOS: before 26.1 (fixed in 26.1)

Published 2025-12-12. Last modified 2026-10-07.