CVE-2025-43494
Last modified
CVE-2025-43494 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.2 |
| Apple | Ipados | 26.0 |
| Apple | Iphone Os | < 18.7.2 |
| Apple | Iphone Os | 26.0 |
| Apple | Macos | >= 14.0, < 14.8.2 |
| Apple | Macos | >= 15.0, < 15.7.2 |
| Apple | Macos | 26.0 |
| Apple | Visionos | < 26.1 |
| Apple | Watchos | < 26.1 |
References
- https://support.apple.com/en-us/125632Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125633Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125634Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125635Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125636Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125638Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125639Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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