CVE-2023-43000
published 2025-11-05CVE-2023-43000: A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
KEV
CISA Known Exploited Vulnerabilitydue 2026-03-26
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_15.8.7_and_ipados | — | — |
| apple | ios_16.6_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 16.6 | 16.6 |
| apple | ios_and_ipados | >= unspecified < 15.8.7 | 15.8.7 |
| apple | ipados | < 15.8.7 | 15.8.7 |
| apple | ipados | >= 16.0 < 16.6 | 16.6 |
| apple | iphone_os | < 15.8.7 | 15.8.7 |
| apple | iphone_os | >= 16.0 < 16.6 | 16.6 |
| apple | macos | < 13.5 | 13.5 |
| apple | macos | >= unspecified < 13.5 | 13.5 |
| apple | macos_ventura | — | — |
| apple | safari | < 16.6 | 16.6 |
| apple | safari | — | — |
| apple | safari | >= unspecified < 16.6 | 16.6 |
| debian | webkit2gtk | < webkit2gtk 2.42.1-1~deb12u1 (bookworm) | webkit2gtk 2.42.1-1~deb12u1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.42.1-1~deb12u1 (bookworm) | webkit2gtk 2.42.1-1~deb12u1 (bookworm) |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vulncheck8.8HIGH
cisa8.8HIGH