CVE-2025-43504

MEDIUM

Xcode <26.1 - Buffer Overflow

Title source: llm

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.

Exploits (1)

nomisec WORKING POC

by calysteon · poc

https://github.com/calysteon/CVE-2025-43504

View Code ZIP pw:eip

References (1)

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/125641

Scores

CVSS v3 4.9

EPSS 0.0008

EPSS Percentile 22.3%

Attack Vector NETWORK

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

Details

CWE

CWE-119

Status published

Products (2)

apple/xcode < 26.1

Apple/Xcode < 26.1

Published Nov 04, 2025

Tracked Since Feb 18, 2026