CVE-2021-1857
Medium
Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Apple Icloud
PublishedSep 8, 2021
First seenSep 8, 2021
How to fix
Update
- apple icloud12.3 or later
- apple itunes12.11.3 or later
- 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 icloud | v < 12.3 | 12.3 |
| apple itunes | v < 12.11.3 | 12.11.3 |
| apple ipados | v < 14.5 | 14.5 |
| apple iphone_os | v < 14.5 | 14.5 |
| apple mac_os_x | 10.14, 10.14.0, 10.14.1, 10.14.2, 10.14.3, 10.14.4, 10.14.5, 10.14.6, 10.15, 10.15.1, 10.15.2, 10.15.3, 10.15.4, 10.15.5, 10.15.6, 10.15.7 | — |
| 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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