CVE-2021-21191
8.8
HIGH
CVSS 3.1
EPSS 1.4%
Description
Use after free in WebRTC in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
How to fix CVE-2021-21191
To remediate CVE-2021-21191, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 89.0.4389.90-1 or later
Is CVE-2021-21191 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 89.0.4389.90-1
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 |