BaseFortify

Publication date: 2025-11-04

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. An app may be able to cause unexpected system termination.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-11-04

Last Modified

2026-04-02

Generated

2026-07-06

AI Q&A

2025-11-04

EPSS Evaluated

2026-07-05

NVD

CVE-2025-43478

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.8.2 (exc)
apple	macos	From 15.0 (inc) to 15.7.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use after free issue related to memory management. It means that an application may attempt to use memory after it has been freed, which can lead to unexpected system termination or crashes. The issue has been fixed in macOS Sonoma 14.8.2 and macOS Sequoia 15.7.2.

Impact Analysis

An application exploiting this vulnerability may cause unexpected system termination, which can lead to system instability or crashes, potentially disrupting normal operations.

Mitigation Strategies

Apply the security updates provided by Apple, specifically macOS Sonoma 14.8.2 or macOS Sequoia 15.7.2, which contain the fix for this use after free issue.

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