CVE-2026-43804
Analyzed Analyzed - Analysis Complete

State Management Flaw Leads to DoS in Safari and iOS

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description
This issue was addressed through improved state management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6. Visiting a website may lead to an app denial-of-service.

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Meta Information

Published
2026-07-27
Last Modified
2026-07-28
Generated
2026-08-17
AI Q&A
2026-07-28
EPSS Evaluated
2026-08-15
NVD
CVE-2026-43804
EUVD
EUVD-2026-49434

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
apple macos From 26.0 (inc) to 26.6 (exc)
apple ipados to 26.6 (exc)
apple iphone_os to 26.6 (exc)
apple visionos to 26.6 (exc)
apple safari to 26.6 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.

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Executive Summary

This vulnerability involves a denial-of-service issue in Apple's Safari browser and related operating systems. It occurs when visiting a website, which may cause the affected application to crash or become unresponsive due to improper state management.

Detection Guidance

This vulnerability is addressed in specific software versions (Safari 26.6, iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6). Detection involves checking installed software versions against these updates. No specific commands are provided in the context.

Impact Analysis

The vulnerability could allow an attacker to crash your Safari browser, iOS/iPadOS apps, macOS Tahoe, or visionOS apps by tricking you into visiting a malicious website. This would disrupt normal use of these applications.

Compliance Impact

The provided CVE data does not specify how this vulnerability impacts compliance with standards like GDPR or HIPAA. The issue involves a denial-of-service condition in Apple software, but no details are given about data exposure, privacy risks, or regulatory implications.

Mitigation Strategies

Update affected Apple products to the fixed versions: Safari 26.6, iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, or visionOS 26.6.

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