Buffer Overflow Vulnerability in Xcode by Apple
CVE-2025-43504

4.9MEDIUM

Key Information:

Vendor

Apple
Status
Xcode
Vendor
CVE Published:
4 November 2025

What is CVE-2025-43504?

A vulnerability was identified in Xcode, where a buffer overflow due to insufficient bounds checking could allow a user with privileged access to disrupt services, potentially leading to a denial-of-service scenario. This issue has been addressed in Xcode 26.1, which includes enhancements to bounds checking mechanisms to mitigate this risk.

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Deploy the Patch

Affected Version(s)

Xcode < 26.1

References

https://support.apple.com/en-us/125641

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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