CVE-2021-4055
Publication date 23 December 2021
Last updated 24 July 2024
Ubuntu priority
Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| chromium-browser | 22.04 LTS jammy |
Not affected
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Fixed 97.0.4692.71-0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Not in release |
Notes
alexmurray
The Debian chromium source package is called chromium-browser in Ubuntu
mdeslaur
starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
8.8 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |