CVE-2020-9966

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, tvOS 14.0, iOS 14.0 and iPadOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

References

Link	Tags
https://support.apple.com/en-us/HT211843	vendor advisory
https://support.apple.com/en-us/HT211850	vendor advisory
https://support.apple.com/en-us/HT211844	vendor advisory
https://support.apple.com/en-us/HT211931	vendor advisory
http://seclists.org/fulldisclosure/2020/Dec/32	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-9966?: CVE-2020-9966 has been scored as a high severity vulnerability.
How to fix CVE-2020-9966?: To fix CVE-2020-9966, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9966 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-9966 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9966?: CVE-2020-9966 affects Apple tvOS, Apple watchOS, Apple iOS and iPadOS, Apple macOS.

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Description

Category

CWE-125 – Out-of-bounds Read

References

Frequently Asked Questions