CVE-2023-40423

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An app may be able to execute arbitrary code with kernel privileges.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
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 Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Affected: Apple macOS
Affected: Apple iOS and iPadOS
Affected: Apple macOS
Published at:
Updated at:

References

Link Tags
https://support.apple.com/en-us/HT213981 release notes vendor advisory
https://support.apple.com/en-us/HT213984 release notes vendor advisory
https://support.apple.com/en-us/HT213985 release notes vendor advisory
https://support.apple.com/en-us/HT213982 release notes vendor advisory
https://support.apple.com/en-us/HT213983 release notes vendor advisory
https://support.apple.com/kb/HT213982 release notes vendor advisory
https://support.apple.com/kb/HT213984 release notes vendor advisory
https://support.apple.com/kb/HT213985 release notes vendor advisory
https://support.apple.com/kb/HT213981 release notes vendor advisory
https://support.apple.com/kb/HT213983 release notes vendor advisory
http://seclists.org/fulldisclosure/2023/Oct/23 third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/19 third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/21 third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/24 third party advisory mailing list
http://seclists.org/fulldisclosure/2023/Oct/26 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-40423?
CVE-2023-40423 has been scored as a high severity vulnerability.
How to fix CVE-2023-40423?
To fix CVE-2023-40423, 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-2023-40423 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40423 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-2023-40423?
CVE-2023-40423 affects Apple iOS and iPadOS, Apple macOS, Apple macOS, Apple iOS and iPadOS, Apple macOS.
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