CVE-2022-32843 Memory corruption in macOS

High 7.1 Published 23 Sep 2022 Updated 27 May 2025

Processing a malicious Postscript file can cause unexpected app termination or disclose process memory 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-2022-32843?

CVE-2022-32843 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 23 Sep 2022. 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

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Security Update 2022-005 Catalina, macOS Big Sur 11.6.8, macOS Monterey 12.5. Processing a maliciously crafted Postscript file may result in unexpected app termination or disclosure of process memory.

Weakness: CWE-787

Which versions are affected by CVE-2022-32843?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2022-32843?

No fix has been published for CVE-2022-32843 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-2022-32843 being exploited?

There is no known exploitation of CVE-2022-32843 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-692h-cj57-w2g9.