CVE-2026-28859
Apple Safari
MEDIUM 4.3
At a glance
- Source
- NVD
- EPSS
- EPSS 0.66 % · percentile 51 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- apple
- NVD status
- Modified
Description
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.
Weaknesses (CWE)
- CWE-416 — Use After Free
- CWE-125 — Out-of-bounds Read
- CWE-787 — Out-of-bounds Write
- CWE-120 — Buffer Copy without Checking Size (Classic Buffer Overflow)
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
- 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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N | CISA-ADP |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | redhat-SADP |
| CVSS 3.1 | MEDIUM 4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary) |
European references
- ENISA EUVD · EUVD-2026-15133
- GCVE · GCVE-0-2026-28859
CERT-FR advisories
- CERTFR-2026-AVI-1350 — Multiples vulnérabilités dans Oracle Java SE · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0355 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*< 26.4cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*< 26.4
Affected products
| Product | Versions |
|---|---|
| Apple · Safari | affected 0 < 26.4 |
| Apple · iOS and iPadOS | affected 0 < 26.4 |
| Apple · macOS | affected 0 < 26.4 |
| Apple · tvOS | affected 0 < 26.4 |
| Apple · visionOS | affected 0 < 26.4 |
| Apple · watchOS | affected 0 < 26.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |