Vulnerability Description
A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A UDP server socket bound to a local interface may become bound to all interfaces.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7 |
| Apple | Iphone Os | < 18.7 |
| Apple | Macos | >= 14.0, < 14.8 |
| Apple | Tvos | < 26.0 |
| Apple | Visionos | < 26.0 |
| Apple | Watchos | < 26.0 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/125108Release NotesVendor Advisory
- https://support.apple.com/en-us/125109Release NotesVendor Advisory
- https://support.apple.com/en-us/125110
- https://support.apple.com/en-us/125111Release NotesVendor Advisory
- https://support.apple.com/en-us/125112Release NotesVendor Advisory
- https://support.apple.com/en-us/125114Release NotesVendor Advisory
- https://support.apple.com/en-us/125115Release NotesVendor Advisory
- https://support.apple.com/en-us/125116Release NotesVendor Advisory
- http://seclists.org/fulldisclosure/2025/Sep/49
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/54
- http://seclists.org/fulldisclosure/2025/Sep/55
- http://seclists.org/fulldisclosure/2025/Sep/56
- http://seclists.org/fulldisclosure/2025/Sep/57
- http://seclists.org/fulldisclosure/2025/Sep/58
FAQ
What is CVE-2025-43359?
CVE-2025-43359 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visio...
How severe is CVE-2025-43359?
CVE-2025-43359 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-43359?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos.