CVE-2021-4098

critical

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

9.5

Description

Insufficient data validation in Mojo in Google Chrome prior to 96.0.4664.110 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-4098

OS impact

OS	Version	Status	Fixed in
arch		fixed	`5.0.2497.30-1`
debian	bookworm	fixed	`97.0.4692.71-0.1`
debian	bullseye	fixed	`97.0.4692.71-0.1~deb11u1`
debian	forky	fixed	`97.0.4692.71-0.1`
debian	sid	fixed	`97.0.4692.71-0.1`
debian	trixie	fixed	`97.0.4692.71-0.1`

References

https://security-tracker.debian.org/tracker/CVE-2021-4098

Verify integrity in audit chain (admin only). AS-IS.