CVE-2021-30952
published 2021-08-24CVE-2021-30952: An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2…
high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
KEV
CISA Known Exploited Vulnerabilitydue 2026-03-26
An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected
22 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | >= unspecified < 15.2 | 15.2 |
| apple | ipados | < 15.2 | 15.2 |
| apple | iphone_os | < 15.2 | 15.2 |
| apple | macos | >= 12.0 < 12.1 | 12.1 |
| apple | macos | >= unspecified < 12.1 | 12.1 |
| apple | macos | >= unspecified < 15.2 | 15.2 |
| apple | macos_monterey | — | — |
| apple | safari | < 15.2 | 15.2 |
| apple | safari | — | — |
| apple | tvos | < 15.2 | 15.2 |
| apple | tvos | — | — |
| apple | watchos | < 8.3 | 8.3 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 8.3 | 8.3 |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | webkit2gtk | < webkit2gtk 2.34.4-1 (bookworm) | webkit2gtk 2.34.4-1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.34.4-1 (bookworm) | webkit2gtk 2.34.4-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| webkitgtk | webkitgtk | < 2.34.4 | 2.34.4 |
| wpewebkit | wpe_webkit | < 2.34.4 | 2.34.4 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv7.8HIGH
vulncheck7.8HIGH
cisa7.8HIGH