CVE-2021-30889
8.8
HIGH
CVSS 3.1
EPSS 0.70%
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS 15.1. Processing maliciously crafted web content may lead to arbitrary code execution.
How to fix CVE-2021-30889
To remediate CVE-2021-30889, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.34.1-1~deb11u1 or later
- —upgrade to 2.34.1-1~deb11u1 or later
Is CVE-2021-30889 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.34.1-1~deb11u1
- from 0, < 2.34.1-1~deb11u1
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 |