CVE-2021-21198: Fedoraproject Fedora

High severity, CVSS 7.4. EPSS: 1.8% chance of exploitation in the next 30 days.

Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only; version 34 only
• Google Chrome: before 89.0.4389.114 (fixed in 89.0.4389.114)

Published 2021-04-09. Last modified 2026-06-17.