CVE-2021-1820
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Ipados
PublishedSep 8, 2021
First seenSep 8, 2021
How to fix
Update
- apple ipados14.5 or later
- apple iphone_os14.5 or later
- apple macos11.3 or later
- apple tvos14.5 or later
- apple watchos7.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apple ipados | v < 14.5 | 14.5 |
| apple iphone_os | v < 14.5 | 14.5 |
| apple macos | 11.0 ≤ v < 11.3 | 11.3 |
| apple tvos | v < 14.5 | 14.5 |
| apple watchos | v < 7.4 | 7.4 |
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