CVE-2025-43370 Denial of service in Xcode
An attacker can cause a process crash in Apple Xcode by providing an overly large path value, requiring an upgrade to the fixed version.
- 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-2025-43370?
CVE-2025-43370 is a medium-severity denial of service vulnerability in Apple Xcode, 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 path handling issue was addressed with improved validation. This issue is fixed in Xcode 26. Processing an overly large path value may crash a process.
Weakness: CWE-120
Which versions are affected by CVE-2025-43370?
It affects 1 product.
Products include Apple Xcode.
How do I fix CVE-2025-43370?
No fix has been published for CVE-2025-43370 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-2025-43370 being exploited?
There is no known exploitation of CVE-2025-43370 in the wild and no public exploit code.
Other vulnerabilities in Apple Xcode
Sources
Also known as GHSA-8q6g-9w7h-xw9m.