Buffer Overflow in iOS and iPadOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-84489

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	18.7.10
apple	ipados	18.7.10
apple	ios	27
apple	ipados	27
apple	macos_golden_gate	27
apple	macos_sequoia	15.7.8
apple	macos_sonoma	14.8.8

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a buffer overflow vulnerability caused by insufficient bounds checking. An application could exploit this to cause a denial of service by crashing the system or app.

Impact Analysis

An attacker could potentially crash your device or an app running on it, leading to loss of functionality until the device is rebooted or the app is restarted.

Mitigation Strategies

Update affected Apple devices to the latest patched versions: iOS 18.7.10 or later, iPadOS 18.7.10 or later, iOS 27 or later, iPadOS 27 or later, macOS Golden Gate 27 or later, macOS Sequoia 15.7.8 or later, macOS Sonoma 14.8.8 or later.

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