CVE-2020-15973: Debian Linux

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy 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 86.0.4240.75 (fixed in 86.0.4240.75)
• Opensuse Backports Sle: version 15.0 only

Published 2020-11-03. Last modified 2026-06-17.