CVE-2020-15961: Debian Linux

Critical severity, CVSS 9.6. EPSS: 1.5% chance of exploitation in the next 30 days.

Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Affected products

• Debian Debian Linux: version 10.0 only
• Fedoraproject Fedora: version 31 only; version 32 only; version 33 only
• Google Chrome: before 85.0.4183.121 (fixed in 85.0.4183.121)
• Opensuse Backports Sle: version 15.0 only
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2020-09-21. Last modified 2026-06-17.