{"id":"CVE-2025-43494","title":"A mail header parsing issue was addressed with improved checks","summary":"A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An a…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-20"],"vendor":"apple","product":"ipados","affected":["ipados < 18.7.2","ipados = 26.0","iphone_os < 18.7.2","iphone_os = 26.0","macos >= 14.0, < 14.8.2","macos >= 15.0, < 15.7.2","macos = 26.0","visionos < 26.1","watchos < 26.1"],"patched":["ipados 18.7.2","iphone_os 18.7.2","macos 15.7.2","visionos 26.1","watchos 26.1"],"published":"2025-12-12","updated":"2026-09-30","sourceUpdated":"2026-09-30T20:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-43494","references":[{"url":"https://support.apple.com/en-us/125632","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125633","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125634","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125635","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125636","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125638","label":"product-security@apple.com"},{"url":"https://support.apple.com/en-us/125639","label":"product-security@apple.com"}],"tags":["nvd"],"epss":0.00573,"epssPercentile":0.45291,"ingestedAt":"2026-09-30T20:23:19.450Z","slug":"CVE-2025-43494","body":"## Overview\n\nA mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.\n\n## Affected\n\n- `ipados < 18.7.2`\n- `ipados = 26.0`\n- `iphone_os < 18.7.2`\n- `iphone_os = 26.0`\n- `macos >= 14.0, < 14.8.2`\n- `macos >= 15.0, < 15.7.2`\n- `macos = 26.0`\n- `visionos < 26.1`\n- `watchos < 26.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `ipados 18.7.2`\n- `iphone_os 18.7.2`\n- `macos 15.7.2`\n- `visionos 26.1`\n- `watchos 26.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}