CVE-2023-38603

Name: CVE-2023-38603
Creator: NVD / NIST
Published: 2023-07-27T01:15:38.63+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2023-38603 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause a denial-of-service.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.85%

53.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 15.7.8
Apple	Ipados	>= 16.0, < 16.6
Apple	Iphone Os	< 15.7.8
Apple	Iphone Os	>= 16.0, < 16.6
Apple	Macos	< 11.7.9
Apple	Macos	>= 12.0, < 12.6.8
Apple	Macos	>= 13.0, < 13.5

References

https://support.apple.com/en-us/HT213841Vendor Advisory
https://support.apple.com/en-us/HT213843Vendor Advisory
https://support.apple.com/kb/HT213842Vendor Advisory
https://support.apple.com/kb/HT213844Vendor Advisory
https://support.apple.com/kb/HT213845Vendor Advisory
https://support.apple.com/en-us/HT213841Vendor Advisory
https://support.apple.com/en-us/HT213843Vendor Advisory
https://support.apple.com/kb/HT213842Vendor Advisory
https://support.apple.com/kb/HT213844Vendor Advisory
https://support.apple.com/kb/HT213845Vendor Advisory

Timeline

Published: Jul 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38603?

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. A remote user may be able to cause a denial-of-service.

How severe is CVE-2023-38603?

CVE-2023-38603 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38603?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38603?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST