CVE-2025-31240: macos Input Validation Flaw — Fix

Description

This issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.5, macOS Sonoma 14.7.6, macOS Ventura 13.7.6. Mounting a maliciously crafted AFP network share may lead to system termination.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
apple	macos	< 13.7.6
apple	macos	14.0 — 14.7.6
apple	macos	15.0 — 15.5

References

Advisories & Patches

https://support.apple.com/en-us/122716 https://support.apple.com/en-us/122717 https://support.apple.com/en-us/122718

Other References

http://seclists.org/fulldisclosure/2025/May/7 http://seclists.org/fulldisclosure/2025/May/8 http://seclists.org/fulldisclosure/2025/May/9

Frequently Asked Questions

What is CVE-2025-31240? +

This issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.5, macOS Sonoma 14.7.6, macOS Ventura 13.7.6. Mounting a maliciously crafted AFP network share may lead to system termination. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-31240? +

CVE-2025-31240 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-31240? +

CVE-2025-31240 affects products from apple, specifically: macos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-31240? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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