critical9.8
CVE-2025-43343
The issue was addressed with improved memory handling.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Safari | before 26.0 |
| Apple | Ipados | before 26.0 |
| Apple | Iphone Os | before 26.0 |
| Apple | Macos | before 26.0 |
| Apple | Tvos | before 26.0 |
| Apple | Visionos | before 26.0 |
| Apple | Watchos | before 26.0 |
| Webkitgtk | Webkitgtk | before 2.50.1 |
| Wpewebkit | Wpe Webkit | before 2.50.1 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/49
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/57
- http://seclists.org/fulldisclosure/2025/Sep/59
- http://www.openwall.com/lists/oss-security/2025/10/13/4
- https://access.redhat.com/errata/RHSA-2025:19946
- https://security-tracker.debian.org/tracker/CVE-2025-43343
- https://ubuntu.com/security/CVE-2025-43343
- https://webkitgtk.org/security/WSA-2025-0007.html