CVE-2025-43297 Memory corruption in macOS
An attacker can cause a denial-of-service on macOS via a type confusion vulnerability in memory handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43297?
CVE-2025-43297 is a medium-severity memory corruption vulnerability in Apple Macos, published on 15 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A type confusion issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26. An app may be able to cause a denial-of-service.
Weakness: CWE-843
Which versions are affected by CVE-2025-43297?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43297?
No fix has been published for CVE-2025-43297 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-2025-43297 being exploited?
There is no known exploitation of CVE-2025-43297 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-56m9-x39p-rfgv.