CVE-2021-21107
Publication date 8 January 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Use after free in drag and drop in Google Chrome on Linux prior to 87.0.4280.141 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 | ||
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Fixed 89.0.4389.82-0ubuntu0.18.04.1
|
|
16.04 LTS xenial |
Fixed 89.0.4389.82-0ubuntu0.16.04.1
|
|
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 | 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 |