Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.2 |
| Apple | Iphone Os | < 18.7.2 |
| Apple | Macos | >= 14.0, < 14.8.2 |
| Apple | Visionos | < 26.1 |
| Apple | Watchos | < 26.1 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/125632Release NotesVendor Advisory
- https://support.apple.com/en-us/125633Release NotesVendor Advisory
- https://support.apple.com/en-us/125634Release NotesVendor Advisory
- https://support.apple.com/en-us/125635Release NotesVendor Advisory
- https://support.apple.com/en-us/125636Release NotesVendor Advisory
- https://support.apple.com/en-us/125638Release NotesVendor Advisory
- https://support.apple.com/en-us/125639Release NotesVendor Advisory
FAQ
What is CVE-2025-43494?
CVE-2025-43494 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...
How severe is CVE-2025-43494?
CVE-2025-43494 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-43494?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Visionos, Apple Watchos.