Vulnerability · Published Jun 4, 2021 · Assigned by Chrome

CVE-2021-30520

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 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)0.9%top 41.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in Tab Strip in Google Chrome prior to 90.0.4430.212 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium90.0.4430.212-1DEBIAN-CVE-2021-30520
Debian:13chromium90.0.4430.212-1DEBIAN-CVE-2021-30520
Debian:14chromium90.0.4430.212-1DEBIAN-CVE-2021-30520

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 90.0.4430.212

References