CVE-2021-30849
7.8
HIGH
CVSS 3.1
EPSS 0.26%
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, watchOS 8, Safari 15, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30849
To remediate CVE-2021-30849, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.32.4-1~deb11u1 or later
- —upgrade to 2.32.4-1~deb11u1 or later
Is CVE-2021-30849 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.32.4-1~deb11u1
- from 0, < 2.32.4-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |