CVE-2021-30528: Fedoraproject Fedora

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

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 products

• Fedoraproject Fedora: version 33 only; version 34 only
• Google Chrome: before 91.0.4472.77 (fixed in 91.0.4472.77)

Published 2021-06-07. Last modified 2026-06-17.