CVE-2023-32378 Use after free in macOS

High 7.8 Published Updated

An app can execute arbitrary code with kernel privileges due to a use-after-free vulnerability in macOS.

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-2023-32378?

CVE-2023-32378 is a high-severity use after free vulnerability in Apple Macos, published on 10 Jan 2024. 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 use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.3, macOS Big Sur 11.7.5, macOS Monterey 12.6.4. An app may be able to execute arbitrary code with kernel privileges.

Weakness: CWE-416

Which versions are affected by CVE-2023-32378?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-32378?

No fix has been published for CVE-2023-32378 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2023-32378 being exploited?

There is no known exploitation of CVE-2023-32378 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-pwpq-539c-mrgv.

Is CVE-2023-32378 in your software?

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

Check your SBOMs for free