CVE-2021-30509
8.8
HIGH
CVSS 3.1
EPSS 0.27%
Description
Out of bounds write in Tab Strip in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to perform an out of bounds memory write via a crafted HTML page and a crafted Chrome extension.
How to fix CVE-2021-30509
To remediate CVE-2021-30509, upgrade the affected package to a fixed version below.
- Debian/chromium—upgrade to 90.0.4430.212-1 or later
Is CVE-2021-30509 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 90.0.4430.212-1
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 |