Safari DoS via State Mgmt in 26.5+
CVE-2026-43804 Published on July 27, 2026
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.
Vulnerability Analysis
CVE-2026-43804 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-43804 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-43804
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Affected Versions
Apple Safari:- Before 26.6 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.
- Before 26.6 is affected.