CVE-2025-43505

HIGH

Xcode < 26.1 - Out-of-bounds Write via Maliciously Crafted File

Title source: llm

Description

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Xcode 26.1. Processing a maliciously crafted file may lead to heap corruption.

References (1)

Core 1

Core References

Release Notes, Vendor Advisory

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

Scores

CVSS v3 8.8

EPSS 0.0004

EPSS Percentile 13.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (2)

apple/xcode < 26.1

Apple/Xcode < 26.1

Published Nov 04, 2025

Tracked Since Feb 18, 2026