CVE-2021-37973β€”Google Chromium Portals Use-After-Free Vulnerability

PUBLISHEDvulnerability record
2021-11-03 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-37973
Project:
Google
Product:
Chromium Portals
Date Added:
2021-11-03
Due Date:
2021-11-17
Last Updated:
June 21, 2025

Vulnerability Name

Google Chromium Portals Use-After-Free Vulnerability

Description

Google Chromium Portals contains a use-after-free vulnerability that allows a remote attacker, who has compromised the renderer process, to potentially perform a sandbox escape via a crafted HTML page. This vulnerability affects web browsers that utilize Chromium, including Google Chrome and Microsoft Edge.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-37973

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