CVE-2021-21226
Publication date 26 April 2021
Last updated 24 July 2024
Ubuntu priority
Use after free in navigation 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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| chromium-browser | 22.04 LTS jammy |
Not affected
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Fixed 90.0.4430.93-0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial | Ignored end of standard support, was needed | |
| 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 |
9.6 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |