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 Sequoia 15.7.2, 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

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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-2025-43383

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.1 (exc)
apple	iphone_os	to 26.1 (exc)
apple	macos	to 15.7.2 (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 that occurs when processing a maliciously crafted media file. It was addressed by improving bounds checking in affected Apple operating systems. Exploiting this issue could cause unexpected app termination or corrupt process memory.

Impact Analysis

If exploited, this vulnerability can cause applications to unexpectedly terminate or lead to corruption of process memory, potentially affecting system stability or security.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: iOS 26.1, iPadOS 26.1, tvOS 26.1, visionOS 26.1, or macOS Sequoia 15.7.2. Avoid processing untrusted or maliciously crafted media files until the update is applied.

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