CVE-2021-1884
Medium
Description
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.
SeverityMedium
CVSS5.9
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 mac_os_x10.14.6, 10.15.7 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 mac_os_x | 10.14.0 ≤ v < 10.14.6, 10.15 ≤ v < 10.15.7, 10.14.6, 10.15.7 | 10.14.6, 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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