Vulnerability · Published Jun 7, 2021 · Assigned by Chrome

CVE-2021-30528

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 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.3%top 28.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20chromium91.0.4472.77-r0ALPINE-CVE-2021-30528
Alpine:v3.21chromium91.0.4472.77-r0ALPINE-CVE-2021-30528
Alpine:v3.22chromium91.0.4472.77-r0ALPINE-CVE-2021-30528
Alpine:v3.23chromium91.0.4472.77-r0ALPINE-CVE-2021-30528
Alpine:v3.24chromium91.0.4472.77-r0ALPINE-CVE-2021-30528
Debian:12chromium93.0.4577.82-1DEBIAN-CVE-2021-30528
Debian:13chromium93.0.4577.82-1DEBIAN-CVE-2021-30528
Debian:14chromium93.0.4577.82-1DEBIAN-CVE-2021-30528

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 91.0.4472.77

References