CVE-2020-16017

chromium-browser: Use after free in site isolation

Published Jan 8, 2021 CVSS 3.1 · 9.6 Critical EPSS 2.7% KEV · Listed
Description
Use after free in site isolation in Google Chrome prior to 86.0.4240.198 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-4824-1 chromium security update
Github GHSA Github GHSA GHSA-gvqv-779r-4jgp Use after free in CefSharp
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'Active', 'Technical Impact': 'Total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'slow', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'Active', 'Technical Impact': 'Total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2021-11-03'}

ssvc

{'options': {'Automatable': 'slow', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Oct 21, 2025, 11:35 PM
Reserved
Jul 27, 2020, 12:00 AM
Status
Analyzed
Published
Jan 8, 2021, 7:15 PM
Modified
Jun 17, 2026, 2:57 AM
Severity
Important
Public date
Nov 11, 2020, 12:00 AM