{"id":"CVE-2025-43464","title":"A denial-of-service issue was addressed with improved input validation","summary":"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.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-20"],"vendor":"apple","product":"macos","affected":["macos < 26.1"],"patched":["macos 26.1"],"published":"2025-12-12","updated":"2026-10-07","sourceUpdated":"2026-10-07T20:10:01.970","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-43464","references":[{"url":"https://support.apple.com/en-us/125634","label":"product-security@apple.com"}],"tags":["nvd"],"epss":0.00384,"epssPercentile":0.30224,"ingestedAt":"2026-10-07T20:46:46.914Z","slug":"CVE-2025-43464","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `macos < 26.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 26.1`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}