medium5.5
CVE-2021-30753
Processing a maliciously crafted font may result in the disclosure of process memory.
Impact
Processing a maliciously crafted font may result in the disclosure of process memory. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An out-of-bounds read was addressed with improved input validation.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 14.6 |
| Apple | Iphone Os | before 14.6 |
| Apple | Macos | from 11.0.1 before 11.4 |
| Apple | Tvos | before 14.6 |
| Apple | Watchos | before 7.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533
- https://support.apple.com/en-us/HT212528
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212532
- https://support.apple.com/en-us/HT212533