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CVE-2021-30771 An out-of-bounds write was addressed with improved input validation
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 14.6 | earliest → < 14.6 | 14.6 |
| macOS 11.4 | earliest → < 11.4 | 11.4 |
| tvOS 14.6 | earliest → < 14.6 | 14.6 |
| watchOS 7.5 | earliest → < 7.5 | 7.5 |
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