CVE-2021-30749
8.8
HIGH
CVSS 3.1
EPSS 1.3%
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30749
To remediate CVE-2021-30749, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.32.3-1 or later
- —upgrade to 2.32.3-1 or later
Is CVE-2021-30749 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.32.3-1
- from 0, < 2.32.3-1
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 |