Vulnerability · Published Feb 22, 2021 · Assigned by Chrome

CVE-2021-21152

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 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.3%top 30.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Heap buffer overflow in Media in Google Chrome on Linux prior to 88.0.4324.182 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_git20200401-r0ALPINE-CVE-2021-21152
Alpine:v3.21qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21152
Alpine:v3.22qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21152
Alpine:v3.23qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21152
Debian:12chromium88.0.4324.182-1DEBIAN-CVE-2021-21152
Debian:13chromium88.0.4324.182-1DEBIAN-CVE-2021-21152
Debian:14chromium88.0.4324.182-1DEBIAN-CVE-2021-21152

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 88.0.4324.182

References