Disclosure 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 attacker may be able to cause a persistent denial-of-service.
Source-reported weakness categories
CWE-20
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2025-43494
Open original source · Updated Oct 07, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| apple | ipados | * {"versionEndExcluding":"18.7.2"} |
| apple | ipados | 26.0 |
| apple | iphone_os | * {"versionEndExcluding":"18.7.2"} |
| apple | iphone_os | 26.0 |
| apple | macos | * {"versionStartIncluding":"15.0","versionEndExcluding":"15.7.2"} |
| apple | macos | 26.0 |
| apple | visionos | * {"versionEndExcluding":"26.1"} |
| apple | watchos | * {"versionEndExcluding":"26.1"} |
Original records & references
- NIST NVD record
- CVE Program record
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
- support.apple.com — Release Notes, Vendor Advisory
PUBLISHED 2025-12-12T16:15:55-05:00
MODIFIED 2026-10-07T07:10:00-04:00
INGESTED 2026-10-08T12:35:47-04:00