CVE-2021-21121

CriticalCVSS 9.6/10Last modified Jun 17, 2026

Description

Use after free in Omnibox in Google Chrome on Linux prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Feb 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21121: Critical severity, CVSS 9.6 | Vulnix