CVE-2021-30758

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

References

Link	Tags
https://support.apple.com/en-us/HT212601	vendor advisory
https://support.apple.com/en-us/HT212602	vendor advisory
https://support.apple.com/en-us/HT212605	vendor advisory
https://support.apple.com/en-us/HT212604	vendor advisory
https://support.apple.com/en-us/HT212606	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30758?: CVE-2021-30758 has been scored as a high severity vulnerability.
How to fix CVE-2021-30758?: To fix CVE-2021-30758, 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-2021-30758 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30758 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-2021-30758?: CVE-2021-30758 affects Apple iOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.

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Description

Category

CWE-843 – Access of Resource Using Incompatible Type ('Type Confusion')

References

Frequently Asked Questions