CVE-2025-43277 Memory corruption in iOS and iPadOS

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening a maliciously crafted audio file on Apple devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-43277?

CVE-2025-43277 is a high-severity memory corruption vulnerability in Apple Macos, published on 29 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.8, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing a maliciously crafted audio file may lead to memory corruption.

Weakness: CWE-119

Which versions are affected by CVE-2025-43277?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2025-43277?

No fix has been published for CVE-2025-43277 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-43277 being exploited?

There is no known exploitation of CVE-2025-43277 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-w369-vj2v-c2xc.

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