Vulnerability Description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 17.7.9 |
| Apple | Iphone Os | < 18.6 |
| Apple | Macos | < 13.7.7 |
| Apple | Tvos | < 18.6 |
| Apple | Visionos | < 2.6 |
| Apple | Watchos | < 11.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/124147Release NotesVendor Advisory
- https://support.apple.com/en-us/124148Release NotesVendor Advisory
- https://support.apple.com/en-us/124149Release NotesVendor Advisory
- https://support.apple.com/en-us/124150Release NotesVendor Advisory
- https://support.apple.com/en-us/124151Release NotesVendor Advisory
- https://support.apple.com/en-us/124153Release NotesVendor Advisory
- https://support.apple.com/en-us/124154Release NotesVendor Advisory
- https://support.apple.com/en-us/124155Release NotesVendor Advisory
- http://seclists.org/fulldisclosure/2025/Jul/31
- http://seclists.org/fulldisclosure/2025/Jul/32
- http://seclists.org/fulldisclosure/2025/Jul/33
- http://seclists.org/fulldisclosure/2025/Jul/34
- http://seclists.org/fulldisclosure/2025/Jul/36
- http://seclists.org/fulldisclosure/2025/Jul/37
FAQ
What is CVE-2025-43209?
CVE-2025-43209 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7...
How severe is CVE-2025-43209?
CVE-2025-43209 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-2025-43209?
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.