CVE-2021-21156: Fedoraproject Fedora

High severity, CVSS 8.8. EPSS: 2.7% chance of exploitation in the next 30 days.

Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted script.

Affected products

• Fedoraproject Fedora: version 32 only; version 33 only
• Google Chrome: before 88.0.4324.182 (fixed in 88.0.4324.182)

Published 2021-02-22. Last modified 2026-06-17.