The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.
https://support.apple.com/en-us/127121
https://support.apple.com/en-us/127120
https://support.apple.com/en-us/127118
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127110
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28905.json
https://bugzilla.redhat.com/show_bug.cgi?id=2483961
https://access.redhat.com/security/cve/CVE-2026-28905
https://access.redhat.com/errata/RHSA-2026:28148
https://access.redhat.com/errata/RHSA-2026:28147
https://access.redhat.com/errata/RHSA-2026:28146
https://access.redhat.com/errata/RHSA-2026:28114
https://access.redhat.com/errata/RHSA-2026:27804
https://access.redhat.com/errata/RHSA-2026:27785
https://access.redhat.com/errata/RHSA-2026:27728