CVE-2021-21121

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CVSS 3.1

9.6 critical

EPSS

6%p93

Published

Feb 9, 2021 (Feb 9, 2021)

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.

Vendors: google microsoft
Products: chrome, edge chromium
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (6.2%)

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