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CVE-2021-1820 A memory initialization issue was addressed with improved memory handling
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may result in the disclosure of process memory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 14.5 | earliest → < 14.5 | 14.5 |
| tvOS 14.5 | earliest → < 14.5 | 14.5 |
| watchOS 7.4 | earliest → < 7.4 | 7.4 |
| macOS 11.3 | earliest → < 11.3 | 11.3 |
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