Vulnerability · Published Nov 2, 2021 · Assigned by Chrome

CVE-2021-37978

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 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.0%top 36.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Heap buffer overflow in Blink in Google Chrome prior to 94.0.4606.81 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qt5-qtwebengine5.15.3_git20211006-r3ALPINE-CVE-2021-37978
Alpine:v3.21qt5-qtwebengine5.15.3_git20211006-r3ALPINE-CVE-2021-37978
Alpine:v3.22qt5-qtwebengine5.15.3_git20211006-r3ALPINE-CVE-2021-37978
Alpine:v3.23qt5-qtwebengine5.15.3_git20211006-r3ALPINE-CVE-2021-37978
Debian:12chromium97.0.4692.71-0.1DEBIAN-CVE-2021-37978
Debian:13chromium97.0.4692.71-0.1DEBIAN-CVE-2021-37978
Debian:14chromium97.0.4692.71-0.1DEBIAN-CVE-2021-37978

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 94.0.4606.81

References