Vulnerability · Published Apr 9, 2021 · Assigned by Chrome

CVE-2021-21194

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 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.2%top 31.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in screen sharing in Google Chrome prior to 89.0.4389.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20chromium89.0.4389.114-r0ALPINE-CVE-2021-21194
Alpine:v3.21chromium89.0.4389.114-r0ALPINE-CVE-2021-21194
Alpine:v3.22chromium89.0.4389.114-r0ALPINE-CVE-2021-21194
Alpine:v3.23chromium89.0.4389.114-r0ALPINE-CVE-2021-21194
Alpine:v3.24chromium89.0.4389.114-r0ALPINE-CVE-2021-21194
Debian:12chromium89.0.4389.114-1DEBIAN-CVE-2021-21194
Debian:13chromium89.0.4389.114-1DEBIAN-CVE-2021-21194
Debian:14chromium89.0.4389.114-1DEBIAN-CVE-2021-21194

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 89.0.4389.114

References