CVE-2021-21111
Critical
Description
Insufficient policy enforcement in WebUI in Google Chrome prior to 87.0.4280.141 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
SeverityCritical
CVSS9.6
Exploit probability—
Product
Google Chrome
PublishedJan 8, 2021
First seenJan 8, 2021
How to fix
Update
- google chrome87.0.4280.141 or later
Vendor advisories
- security.gentoo.org/glsa/202101-05
- debian.org/security/2021/dsa-4832
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| google chrome | v < 87.0.4280.141 | 87.0.4280.141 |
| fedoraproject fedora | 32, 33 | — |
| debian debian_linux | 10.0 | — |
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