CVE-2021-21207
Publication date 26 April 2021
Last updated 24 July 2024
Ubuntu priority
Use after free in IndexedDB in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| chromium-browser | ||
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Fixed 90.0.4430.72-0ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 90.0.4430.72-0ubuntu0.16.04.1
|
|
| 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 |
8.6 · High
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |