CVE-2021-21143
8.8
HIGH
CVSS 3.1
EPSS 0.82%
Description
Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
How to fix CVE-2021-21143
To remediate CVE-2021-21143, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 88.0.4324.146-1 or later
Is CVE-2021-21143 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 88.0.4324.146-1
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 |