Buffer Overflow in Apple iOS and macOS via Malicious Image Processing

Publication date: 2026-05-11

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-11

Last Modified

2026-07-27

Generated

2026-07-31

AI Q&A

2026-05-12

EPSS Evaluated

2026-07-30

NVD

CVE-2026-43661

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.5
apple	ipad_os	26.5
apple	macos_tahoe	26.5
apple	tv_os	26.5
apple	watch_os	26.5

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer overflow issue that occurs when processing a maliciously crafted image. It can cause corruption of process memory. The issue was addressed by improving memory handling in various Apple operating systems.

Impact Analysis

Exploitation of this vulnerability by processing a maliciously crafted image may lead to corruption of process memory, which could result in unexpected behavior, crashes, or potentially allow an attacker to execute arbitrary code.

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: iOS 26.5, iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, or watchOS 26.5.

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