CVE-2025-43193 Denial of service in macOS
An app can cause a denial-of-service in macOS due to improper memory handling, requiring users to update their operating system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43193?
CVE-2025-43193 is a critical denial of service vulnerability in Apple Macos, published on 29 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause a denial-of-service.
Weakness: CWE-400
Which versions are affected by CVE-2025-43193?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43193?
No fix has been published for CVE-2025-43193 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-43193 being exploited?
There is no known exploitation of CVE-2025-43193 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-pc8j-gfwh-489w.