BaseFortify

Publication date: 2025-11-04

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

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-2025-43386

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.1 (exc)
apple	iphone_os	to 26.1 (exc)
apple	tvos	to 26.1 (exc)
apple	visionos	to 26.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds access issue in certain Apple operating systems. It occurs when processing a maliciously crafted media file, which can cause the application to terminate unexpectedly or corrupt the process memory. The issue was fixed by improving bounds checking in iOS 26.1, iPadOS 26.1, tvOS 26.1, and visionOS 26.1.

Impact Analysis

If exploited, this vulnerability can cause apps to crash unexpectedly or lead to memory corruption, which might be leveraged by attackers to disrupt normal device operation or potentially execute arbitrary code.

Mitigation Strategies

To mitigate this vulnerability, update your devices to iOS 26.1, iPadOS 26.1, tvOS 26.1, or visionOS 26.1 as these versions include the fix with improved bounds checking to prevent out-of-bounds access issues.

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