CVE-2025-43343
published 2025-09-15CVE-2025-43343: 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…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
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
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_26_and_ipados | — | — |
| apple | ios_and_ipados | < 26 | 26 |
| apple | ipados | < 26.0 | 26.0 |
| apple | iphone_os | < 26.0 | 26.0 |
| apple | macos | < 26 | 26 |
| apple | macos | < 26.0 | 26.0 |
| apple | macos_tahoe | — | — |
| apple | safari | < 26 | 26 |
| apple | safari | < 26.0 | 26.0 |
| apple | safari | — | — |
| apple | tvos | < 26 | 26 |
| apple | tvos | < 26.0 | 26.0 |
| apple | tvos | — | — |
| apple | visionos | < 26 | 26 |
| apple | visionos | < 26.0 | 26.0 |
| apple | visionos | — | — |
| apple | watchos | < 26 | 26 |
| apple | watchos | < 26.0 | 26.0 |
| apple | watchos | — | — |
| debian | webkit2gtk | < webkit2gtk 2.50.1-1~deb12u1 (bookworm) | webkit2gtk 2.50.1-1~deb12u1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.50.1-1~deb12u1 (bookworm) | webkit2gtk 2.50.1-1~deb12u1 (bookworm) |
| webkitgtk | webkitgtk | < 2.50.1 | 2.50.1 |
| wpewebkit | wpe_webkit | < 2.50.1 | 2.50.1 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL