CVE-2025-43210

Received Received - Intake

Out-of-Bounds Access in Apple Media Processing Causes Memory Corruption

Publication date: 2026-04-02

Last updated on: 2026-04-03

Assigner: Apple Inc.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-02

Last Modified

2026-04-03

Generated

2026-07-06

AI Q&A

2026-04-02

EPSS Evaluated

2026-07-05

NVD

CVE-2025-43210

EUVD

EUVD-2025-209193

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.7.7 (exc)
apple	macos	From 15.0 (inc) to 15.6 (exc)
apple	iphone_os	to 18.6 (exc)
apple	tvos	to 18.6 (exc)
apple	visionos	to 2.6 (exc)
apple	watchos	to 11.6 (exc)
apple	ipados	to 17.7.9 (exc)
apple	ipados	From 18.0 (inc) to 18.6 (exc)
apple	macos	From 13.0 (inc) to 13.7.7 (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.
CWE-787	The product writes 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 that occurs when processing a maliciously crafted media file. It happens because the software does not properly check the bounds of data, which can lead to accessing memory outside the intended area.

The issue has been addressed by improving bounds checking in affected Apple operating systems such as iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.

Impact Analysis

Exploiting this vulnerability by processing a maliciously crafted media file may cause unexpected app termination or corrupt process memory.

This could lead to application crashes or potentially allow further exploitation depending on how the corrupted memory is used.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions of the operating systems as soon as possible.

iOS 18.6
iPadOS 18.6 and iPadOS 17.7.9
macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7
tvOS 18.6
visionOS 2.6
watchOS 11.6

Avoid processing any untrusted or maliciously crafted media files until the update is applied.

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