CVE-2025-43343
Apple Safari
CRITICAL 9.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.80 % · percentile 57 ()
- 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, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
Weaknesses (CWE)
- CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- https://support.apple.com/en-us/125108
- https://support.apple.com/en-us/125110
- https://support.apple.com/en-us/125113
- https://support.apple.com/en-us/125114
- https://support.apple.com/en-us/125115
- https://support.apple.com/en-us/125116
- http://seclists.org/fulldisclosure/2025/Sep/57
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/59
- http://seclists.org/fulldisclosure/2025/Sep/49
- http://www.openwall.com/lists/oss-security/2025/10/13/4
- https://access.redhat.com/errata/RHSA-2025:19946
- https://ubuntu.com/security/CVE-2025-43343
- https://security-tracker.debian.org/tracker/CVE-2025-43343
- https://webkitgtk.org/security/WSA-2025-0007.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2025-29294
- GCVE · GCVE-0-2025-43343
CERT-FR advisories
- CERTFR-2025-AVI-0938 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0791 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*< 26.0cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*< 26.0cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*< 2.50.1cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*< 2.50.1
Affected products
| Product | Versions |
|---|---|
| Apple · Safari | affected 0 < 26 |
| Apple · iOS and iPadOS | affected 0 < 26 |
| Apple · macOS | affected 0 < 26 |
| Apple · tvOS | affected 0 < 26 |
| Apple · visionOS | affected 0 < 26 |
| Apple · watchOS | affected 0 < 26 |
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 |