CVE-2021-21163
Publication date 9 March 2021
Last updated 24 July 2024
Ubuntu priority
Insufficient data validation in Reader Mode in Google Chrome on iOS prior to 89.0.4389.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page and a malicious server.
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 |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |