CVE-2021-21194: Fedoraproject Fedora

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Use after free in screen sharing in Google Chrome prior to 89.0.4389.114 allowed a remote attacker to potentially exploit heap corruption 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.