CVE-2023-40400

Description

This issue was addressed with improved checks. This issue is fixed in tvOS 17, iOS 17 and iPadOS 17, watchOS 10, macOS Sonoma 14. A remote user may cause an unexpected app termination or arbitrary code execution.

9.8

CVSS

Severity: Critical

CVSS 3.1 •

EPSS 1.68% Top 20%

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

Affected: Apple iOS and iPadOS

Affected: Apple tvOS

Affected: Apple macOS

Affected: Apple watchOS

References

Link	Tags
https://support.apple.com/en-us/HT213938	release notes vendor advisory
https://support.apple.com/en-us/HT213936	release notes vendor advisory
https://support.apple.com/en-us/HT213940	release notes vendor advisory
https://support.apple.com/en-us/HT213937	release notes vendor advisory
https://support.apple.com/kb/HT213841	release notes vendor advisory
http://seclists.org/fulldisclosure/2023/Oct/10	third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/8	third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/9	third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/3	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-40400?: CVE-2023-40400 has been scored as a critical severity vulnerability.
How to fix CVE-2023-40400?: To fix CVE-2023-40400, 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-2023-40400 being actively exploited in the wild?: It is possible that CVE-2023-40400 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40400?: CVE-2023-40400 affects Apple iOS and iPadOS, Apple tvOS, Apple macOS, Apple watchOS.

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