CVE-2021-21223

CRITICAL

Google Chrome <90.0.4430.85 - Sandbox Escape

Title source: llm
STIX 2.1

Description

Integer overflow in Mojo in Google Chrome prior to 90.0.4430.85 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

References (7)

Core 7
Core References
Third Party Advisory x_refsource_misc
https://crbug.com/1195308
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4906
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202104-08

Scores

CVSS v3 9.6
EPSS 0.0144
EPSS Percentile 69.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Details

CWE
CWE-190
Status published
Products (5)
debian/debian_linux 10.0
fedoraproject/fedora 32
fedoraproject/fedora 33
fedoraproject/fedora 34
google/chrome < 90.0.4430.85
Published Apr 26, 2021
Tracked Since Feb 18, 2026