Vulnerability · Published Dec 23, 2021 · Assigned by Chrome

CVE-2021-4052

High 8.8

In plain English

A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.0%top 37.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in web apps in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium97.0.4692.71-0.1DEBIAN-CVE-2021-4052
Debian:13chromium97.0.4692.71-0.1DEBIAN-CVE-2021-4052
Debian:14chromium97.0.4692.71-0.1DEBIAN-CVE-2021-4052

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 96.0.4664.93

References