CVE-2021-30847

Description

This issue was addressed with improved checks. This issue is fixed in watchOS 8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.40%

Vendor Advisory apple.com 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/kb/HT212807	release notes
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/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
https://support.apple.com/en-us/HT212817	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
https://support.apple.com/kb/HT212953	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30847?: CVE-2021-30847 has been scored as a high severity vulnerability.
How to fix CVE-2021-30847?: To fix CVE-2021-30847, 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-2021-30847 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-30847 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-2021-30847?: CVE-2021-30847 affects Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS, Apple macOS.