What’s Vulnerable › Vulnerabilities

CVE-2023-38603

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-27 · updated 2026-06-17

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.

Affected products

• Apple iPadOS: before 15.7.8; from 16.0 before 16.6 — fixed in 15.7.8, 16.6
• Apple Iphone Os: before 15.7.8; from 16.0 before 16.6 — fixed in 15.7.8, 16.6
• Apple macOS: before 11.7.9; from 12.0 before 12.6.8; from 13.0 before 13.5 — fixed in 11.7.9, 12.6.8, 13.5

How to fix

Upgrade to a fixed version: Apple iPadOS 15.7.8, 16.6; Apple Iphone Os 15.7.8, 16.6; Apple macOS 11.7.9, 12.6.8, 13.5. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT213841
• https://support.apple.com/en-us/HT213843
• https://support.apple.com/kb/HT213842
• https://support.apple.com/kb/HT213844
• https://support.apple.com/kb/HT213845
• https://support.apple.com/en-us/HT213841
• https://support.apple.com/en-us/HT213843
• https://support.apple.com/kb/HT213842
• https://support.apple.com/kb/HT213844
• https://support.apple.com/kb/HT213845

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