VULNERABILITY INTELLIGENCE

CVE-2020-6509

CVSS score9.6 CRITICAL

EPSS probability0.81%

CISA KEVNot currently listed

Published2020-07-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Description

Use after free in extensions in Google Chrome prior to 83.0.4103.116 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Weakness classification

CWE-416: Use After Free

Primary references

chrome-cve-admin@google.com — Broken Link
chrome-cve-admin@google.com — Vendor Advisory
chrome-cve-admin@google.com — Issue Tracking, Permissions Required, Third Party Advisory
chrome-cve-admin@google.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory