What’s Vulnerable › Vulnerabilities

CVE-2023-40407

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-27 · updated 2026-06-17

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. A remote attacker may be able to cause a denial-of-service.

Affected products

• Apple macOS: before 14.0 — fixed in 14.0

How to fix

Upgrade to a fixed version: Apple macOS 14.0. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/3
• https://support.apple.com/en-us/HT213940
• http://seclists.org/fulldisclosure/2023/Oct/3
• https://support.apple.com/en-us/HT213940
• https://support.apple.com/kb/HT213940

Get alerted when CVE-2023-40407 or the next vulnerability affects your stack