CVE-2026-64778

Public on 2026-08-17
Modified on 2026-08-28
Description
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Visiting a maliciously crafted website may leak sensitive data.
Severity
Medium 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 gtk-doc Not Affected
Amazon Linux 2023 gtk-doc Not Affected
Amazon Linux 2 - Core gtk2 Not Affected
Amazon Linux 2 - Core gtk3 Not Affected
Amazon Linux 2023 gtk3 Not Affected
Amazon Linux 2023 gtk4 Not Affected
Amazon Linux 2 - Core webkitgtk3 No Fix Planned
Amazon Linux 2 - Core webkitgtk4 Pending Fix

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:H/I:N/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-64778 Mitre: CVE-2026-64778