high7.8
CVE-2021-30771
An out-of-bounds write was addressed with improved input validation.
Impact
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 14.6 |
| Apple | Iphone Os | before 14.6 |
| Apple | Macos | from 11.0 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