An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.
The product writes data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://support.apple.com/en-us/HT211931 | vendor advisory |
https://support.apple.com/en-us/HT212011 | vendor advisory |