CVE-2021-30758
8.8
HIGH
CVSS 3.1
EPSS 0.97%
Description
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30758
To remediate CVE-2021-30758, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.32.2-1 or later
- —upgrade to 2.32.2-1 or later
Is CVE-2021-30758 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.32.2-1
- from 0, < 2.32.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |