Vulnerability · Published Apr 9, 2021 · Assigned by Chrome

CVE-2021-21196

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 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.3%top 28.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Heap buffer overflow in TabStrip in Google Chrome on Windows 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-2021-21196
Alpine:v3.21chromium89.0.4389.114-r0ALPINE-CVE-2021-21196
Alpine:v3.22chromium89.0.4389.114-r0ALPINE-CVE-2021-21196
Alpine:v3.23chromium89.0.4389.114-r0ALPINE-CVE-2021-21196
Alpine:v3.24chromium89.0.4389.114-r0ALPINE-CVE-2021-21196
Debian:12chromium89.0.4389.114-1DEBIAN-CVE-2021-21196
Debian:13chromium89.0.4389.114-1DEBIAN-CVE-2021-21196
Debian:14chromium89.0.4389.114-1DEBIAN-CVE-2021-21196

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 89.0.4389.114

References