CVE-2021-30842

Description

This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.27%

Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com

Affected: Apple macOS

References

Link	Tags
https://support.apple.com/en-us/HT212804	release notes vendor advisory
https://support.apple.com/en-us/HT212805	release notes vendor advisory
https://support.apple.com/en-us/HT212807	release notes vendor advisory
https://support.apple.com/en-us/HT212814	release notes vendor advisory
https://support.apple.com/en-us/HT212819	release notes vendor advisory
https://support.apple.com/en-us/HT212815	release notes vendor advisory
http://seclists.org/fulldisclosure/2021/Oct/62	mailing list release notes third party advisory
http://seclists.org/fulldisclosure/2021/Oct/63	mailing list release notes third party advisory
http://seclists.org/fulldisclosure/2021/Oct/61	mailing list release notes third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-30842?: CVE-2021-30842 has been scored as a high severity vulnerability.
How to fix CVE-2021-30842?: To fix CVE-2021-30842, 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-2021-30842 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30842 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-30842?: CVE-2021-30842 affects Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.

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