CVE-2023-36854 Memory corruption in macOS

High 7.8 Published 26 Jul 2023 Updated 23 Oct 2024

Attackers can execute arbitrary code or cause denial of service by tricking users into processing a malicious file on 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-2023-36854?

CVE-2023-36854 is a high-severity memory corruption vulnerability in Apple Macos, published on 26 Jul 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

The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. Processing a file may lead to unexpected app termination or arbitrary code execution.

Which versions are affected by CVE-2023-36854?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2023-36854?

No fix has been published for CVE-2023-36854 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-2023-36854 being exploited?

There is no known exploitation of CVE-2023-36854 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-7jfp-674j-r5f2.