CVE-2021-30884
4.7
MEDIUM
CVSS 3.1
EPSS 0.28%
Description
The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.
How to fix CVE-2021-30884
To remediate CVE-2021-30884, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.34.1-1~deb11u1 or later
- Debian/wpewebkit—upgrade to 2.34.1-1~deb11u1 or later
Is CVE-2021-30884 being exploited?
Low — EPSS is 0.3%, 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 | MEDIUM4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N |