CVE-2020-16017criticalunder attackCWE-416

CVE-2020-16017: critical vulnerability in Google Chrome

Published · Updated

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58Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 9.6epss 2.7%
from disclosure to weapon
Published on NVDJan 8
CISA KEV+299d
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Fixed
4 products (14 components)
Red Hat Enterprise Linux Desktop Supplementary (v. 6) · Red Hat Enterprise Linux Server Supplementary (v. 6) · Red Hat Enterprise Linux Workstation Supplementary (v. 6) · Red Hat Enterprise Linux HPC Node Supplementary (v. 6)
Action required by CISAfederal deadline: 2022-05-03

Apply updates per vendor instructions.

In short

A memory flaw in Google Chrome allowed attackers who compromised the browser's rendering process to escape the security sandbox through a specially crafted webpage. This could give them access to your system beyond the browser's protections.

Technical detail

Use-after-free vulnerability in Chrome's site isolation mechanism (CWE-416) permitted sandbox escape when renderer process was compromised. Attack vector requires prior renderer compromise; impact is sandbox escape with potential system-level code execution. Affected versions prior to 86.0.4240.198.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products
Google · Chrome