VULNERABILITY INTELLIGENCE

CVE-2021-21121

CVSS score9.6 CRITICAL

EPSS probability6.19%

CISA KEVNot currently listed

Published2021-02-09

Last modified2026-06-17

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

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.

Weakness classification

nvd@nist.gov: CWE-416

Primary references

chrome-cve-admin@google.com — Release Notes, Vendor Advisory
chrome-cve-admin@google.com — Permissions Required, Third Party Advisory
chrome-cve-admin@google.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory