CVE-2025-43400

Published: Sep 29, 2025Modified: Apr 2, 2026

6.3

Vector

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

Exploitability: 2.8 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.

Affected (8)

Products: Apple: Ipados, Iphone Os, Macos, Visionos

4 products

Configuration A

8 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 18.7.1
Apple Ipados	Version 26.0
Apple Iphone Os	Before 18.7.1
Apple Iphone Os	Version 26.0
Apple Macos	From 14.0 to 14.8.1
Apple Macos	From 15.0 to 15.7.1
Apple Macos	Version 26.0
Apple Visionos	Before 26.0.1