CVE-2026-43804

Public on 2026-07-27

Modified on 2026-08-21

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.

Severity

Medium

See what this means

CVSS v3 Base Score

6.5

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 2 - Core	gtk2			Not Affected
Amazon Linux 2 - Core	gtk3			Not Affected
Amazon Linux 2023	gtk3			Not Affected
Amazon Linux 2027 Preview	gtk3			Not Affected
Amazon Linux 2023	gtk4			Not Affected
Amazon Linux 2027 Preview	gtk4			Not Affected
Amazon Linux 2 - Core	webkitgtk3			No Fix Planned
Amazon Linux 2 - Core	webkitgtk4	2026-08-31	ALAS2-2026-3891	Fixed

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-43804 Mitre: CVE-2026-43804