CVE-2025-43482 Denial of service in macOS
An attacker can cause a denial-of-service condition in macOS by exploiting insufficient input validation, requiring users to apply security updates.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43482?
CVE-2025-43482 is a medium-severity denial of service vulnerability in Apple Macos, published on 12 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2. An app may be able to cause a denial-of-service.
Weakness: CWE-20
Which versions are affected by CVE-2025-43482?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2025-43482?
No fix has been published for CVE-2025-43482 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-2025-43482 being exploited?
There is no known exploitation of CVE-2025-43482 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-c6hq-r2mm-58p4.