CVE-2023-5218: Debian Linux

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

Use after free in Site Isolation in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Critical)

Affected products

• Debian Debian Linux: version 11.0 only; version 12.0 only
• Fedoraproject Fedora: version 37 only; version 38 only
• Google Chrome: before 118.0.5993.70 (fixed in 118.0.5993.70)

Published 2023-10-11. Last modified 2026-06-17.