CVE-2023-23539 Memory corruption in macOS

High 7.8 Published Updated

A buffer overflow in macOS allows arbitrary code execution when mounting a maliciously crafted Samba network share.

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-2023-23539?

CVE-2023-23539 is a high-severity memory corruption vulnerability in Apple Macos, published on 23 Jun 2023. 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

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.2. Mounting a maliciously crafted Samba network share may lead to arbitrary code execution.

Weakness: CWE-120

Which versions are affected by CVE-2023-23539?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-23539?

No fix has been published for CVE-2023-23539 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-2023-23539 being exploited?

There is no known exploitation of CVE-2023-23539 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-5pfw-4vj7-pp2q.

Is CVE-2023-23539 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free