CVE-2026-43804 Details
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.
A denial-of-service vulnerability has been identified in WebKit, the engine that powers the Safari browser. This issue is present in WebKit versions included with Safari 26.6, iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, and visionOS 26.6. The vulnerability can be triggered by visiting a website that frames malicious content, which may lead to an unexpected crash of the Safari browser.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 28, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/128066 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128067 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128070 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/128073 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple safari | < 26.6 |
CPE
Remediation
| |
| apple ipados | < 26.6 |
CPE
Remediation
| |
| apple iphone os | < 26.6 |
CPE
Remediation
| |
| apple macos | >= 26.0, < 26.6 |
CPE
Remediation
| |
| apple visionos | < 26.6 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 28, 2026 | Initial Analysis | [email protected] |
| Jul 28, 2026 | CVE Modified | CISA-ADP |
| Jul 27, 2026 | New CVE Received | [email protected] |