This issue was addressed with improved checks. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ipados | Apple | * | 15.0 (excluding) |
| Iphone_os | Apple | * | 15.0 (excluding) |
| Macos | Apple | * | 12.0.1 (excluding) |
| Tvos | Apple | * | 15.0 (excluding) |
| Watchos | Apple | * | 8.0 (excluding) |
References
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/kb/HT212869
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/kb/HT212869