CVE-2020-6493: Debian Linux

Critical severity, CVSS 9.6. EPSS: 1.7% chance of exploitation in the next 30 days.

Use after free in WebAuthentication in Google Chrome prior to 83.0.4103.97 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected products

  • Debian Debian Linux: version 9.0 only; version 10.0 only
  • Google Chrome: before 83.0.4103.97 (fixed in 83.0.4103.97)
  • Opensuse Backports: version sle-15 only
  • Opensuse Leap: version 15.1 only

Published 2020-06-03. Last modified 2026-06-17.