What is CVE-2025-43504?

CVE-2025-43504 is a vulnerability in Apple Xcode. Published 2025-11-04.

Is CVE-2025-43504 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apple Xcode

CVE-2025-43504

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Xcode 26.1. A user in a privileged network position may be able to cause a denial-of-service.

EPSS: 0.001 (23.7th percentile) — read the EPSS interpretation.

Affected products

Apple Xcode — versions 0

Public proof-of-concept exploits

calysteon/CVE-2025-43504

References

support.apple.com/en-us/125641

Frequently asked questions

What is CVE-2025-43504?: CVE-2025-43504 is a vulnerability in Apple Xcode. Published 2025-11-04.
Is CVE-2025-43504 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.