CVE-2025-43264

Vulnerability

Overview

CVE-2025-43264 is a memory corruption vulnerability in macOS Sequoia that arises from improper memory handling when processing a maliciously crafted image. The issue was addressed with improved memory handling in macOS Sequoia 15.6 [1].

Exploitation

An attacker can exploit this vulnerability by delivering a specially crafted image file to a target user. No special privileges are required beyond the ability to open or process the image in an affected application. The vulnerability is triggered during image processing, potentially corrupting process memory [1].

Impact

Successful exploitation could lead to process memory corruption, which may allow an attacker to arbitrary code execution or a denial-of-service condition. The official advisory notes that an app may be able to cause a denial-of-service [1].

Mitigation

Apple has released macOS Sequoia 15.6 to address this vulnerability. Users are advised to update to the latest version. No workarounds are mentioned [1].