A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.
Weakness
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 18.7.7 (excluding) |
| Ipados | Apple | 26.0 (including) | 26.3 (excluding) |
| Iphone_os | Apple | * | 18.7.7 (excluding) |
| Iphone_os | Apple | 26.0 (including) | 26.3 (excluding) |
| Macos | Apple | 14.0 (including) | 14.8.5 (excluding) |
| Macos | Apple | 15.0 (including) | 15.7.5 (excluding) |
| Macos | Apple | 26.0 (including) | 26.3 (excluding) |
| Tvos | Apple | * | 26.3 (excluding) |
| Visionos | Apple | * | 26.3 (excluding) |
| Watchos | Apple | * | 26.3 (excluding) |
Potential Mitigations
References
- https://support.apple.com/en-us/126346
- https://support.apple.com/en-us/126348
- https://support.apple.com/en-us/126351
- https://support.apple.com/en-us/126352
- https://support.apple.com/en-us/126353
- https://support.apple.com/en-us/126793
- https://support.apple.com/en-us/126795
- https://support.apple.com/en-us/126796