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Vulnerability record · CVE-2025-43504 · published 4 November 2025

CVE-2025-43504: Apple xcode memory buffer overflow vulnerability

Apple · Xcode

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.

4.9 CVSS 3.1 Medium EPSS 0.37% · top 68.1% CWE-119 · Memory buffer overflow
4.9CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
18 Oct 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/125641 Release NotesVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2025-43504), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.