Description (CNA)
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Apple / Safari | affected 0 before 26.4 |
| Apple / iOS and iPadOS | affected 0 before 26.4 |
| Apple / macOS | affected 0 before 26.4 |
| Apple / tvOS | affected 0 before 26.4 |
| Apple / visionOS | affected 0 before 26.4 |
| Apple / watchOS | affected 0 before 26.4 |
CWE
No CWE identifiers supplied.
References
- https://support.apple.com/en-us/126792
- https://support.apple.com/en-us/126794
- https://support.apple.com/en-us/126797
- https://support.apple.com/en-us/126798
- https://support.apple.com/en-us/126799
- https://support.apple.com/en-us/126800
ADP enrichment
No English description supplied.
No references supplied.
A flaw was found in WebKitGTK. A maliciously crafted web page may be able to process restricted web content outside the sandbox due to improper memory handling.
- https://access.redhat.com/security/cve/CVE-2026-28859
- https://bugzilla.redhat.com/show_bug.cgi?id=2453006
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28859.json
- https://access.redhat.com/errata/RHSA-2026:22136
- https://access.redhat.com/errata/RHSA-2026:10702
- https://access.redhat.com/errata/RHSA-2026:16056
- https://access.redhat.com/errata/RHSA-2026:13845
- https://access.redhat.com/errata/RHSA-2026:11814
- https://access.redhat.com/errata/RHSA-2026:19535
- https://access.redhat.com/errata/RHSA-2026:16695
- https://access.redhat.com/errata/RHSA-2026:14659
- https://access.redhat.com/errata/RHSA-2026:11329
- https://access.redhat.com/errata/RHSA-2026:9692
- https://access.redhat.com/errata/RHSA-2026:19206