Use After Free in Google Chrome
CVE-2020-6509
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.
Vulnerability class: Use-After-Free
EPSS: 0.008 (53.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Google Chrome — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chrome-cve-admin@google.com (Permissions Required, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- chrome-cve-admin@google.com (x_refsource_MISC, Vendor Advisory)
- chrome-cve-admin@google.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- chrome-cve-admin@google.com (vendor-advisory, Broken Link, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-6509?
- CVE-2020-6509 is a critical-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 9.6/10. Published 2020-07-22.
- How severe is CVE-2020-6509?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2020-6509 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.