CVE-2025-31237 Denial of service in macOS

High 7.5 Published Updated

Mounting a malicious AFP share can crash macOS systems, requiring users to apply Apple security updates.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-31237?

CVE-2025-31237 is a high-severity denial of service vulnerability in Apple Macos, published on 12 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-404

Which versions are affected by CVE-2025-31237?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2025-31237?

No fix has been published for CVE-2025-31237 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-31237 being exploited?

There is no known exploitation of CVE-2025-31237 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-f233-mjh6-2vxg.

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