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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS and iPadOS | unspecified – < 14.5 | 14.5 |
| Apple | tvOS | unspecified – < 14.5 | 14.5 |
| Apple | watchOS | unspecified – < 7.4 | 7.4 |
| Apple | macOS | unspecified – < 11.3, unspecified – < 2021 | 11.3 |