An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, watchOS 7.2. A remote attacker may be able to leak memory.
The product reads data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://support.apple.com/en-us/HT212011 | vendor advisory |
| https://support.apple.com/en-us/HT212147 | vendor advisory |
| https://support.apple.com/en-us/HT212003 | vendor advisory |
| https://support.apple.com/en-us/HT212005 | vendor advisory |
| https://support.apple.com/en-us/HT212009 | vendor advisory |