Buffer Overflow in Xcode<26.1 Enables Network DoS by Privileged User
CVE-2025-43504 Published on November 4, 2025
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.
Vulnerability Analysis
CVE-2025-43504 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2025-43504 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2025-43504
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Affected Versions
Apple Xcode:- Version unspecified and below 26.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.