CVE-2021-30663
published 2021-09-08CVE-2021-30663: An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1…
high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
KEVITW
CISA Known Exploited Vulnerabilitydue 2021-11-17
Exploited in the wild
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, Safari 14.1.1, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ipados | >= 14.0 < 14.5.1 | 14.5.1 |
| apple | iphone_os | < 12.5.3 | 12.5.3 |
| apple | iphone_os | >= 14.0 < 14.5.1 | 14.5.1 |
| apple | macos | >= 11.0 < 11.3.1 | 11.3.1 |
| apple | macos | >= unspecified < 11.3 | 11.3 |
| apple | macos | >= unspecified < 14.5 | 14.5 |
| apple | macos | >= unspecified < 12.5 | 12.5 |
| apple | macos | >= unspecified < 14.6 | 14.6 |
| apple | macos | >= unspecified < 14.1 | 14.1 |
| apple | safari | < 14.1.1 | 14.1.1 |
| apple | safari | — | — |
| apple | tvos | < 14.6 | 14.6 |
| apple | tvos | — | — |
| debian | webkit2gtk | < webkit2gtk 2.32.3-1 (bookworm) | webkit2gtk 2.32.3-1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.32.3-1 (bookworm) | webkit2gtk 2.32.3-1 (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