Description
Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | unspecified – < 86.0.4240.75 | 86.0.4240.75 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | chromium | 87.0.4280.88-0.1 | — |
| Debian 13 | chromium | 87.0.4280.88-0.1 | — |
| Debian 12 | chromium | 87.0.4280.88-0.1 | — |
| Debian 10 | chromium | 87.0.4280.88-0.4~deb10u1 | DSA-4824-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | chromium-browser | 86.0.4240.75-0ubuntu0.18.04.1 | — |
| Ubuntu 16.04 LTS | chromium-browser | 86.0.4240.75-0ubuntu0.16.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 86.0.4240.75-1.el6_10 | RHSA-2020:4235 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | chromium | 86.0.4240.183-bp152.2.26.1 | openSUSE-SU-2020:1829-1 |
| SUSE Package Hub 15 SP2 | gn | 0.1807-bp152.2.3.4 | openSUSE-SU-2020:1829-1 |
| SUSE Package Hub 15 SP1 | chromium | 86.0.4240.75-bp151.3.113.1 | openSUSE-SU-2020:1715-1 |
| SUSE Package Hub 15 SP1 | gn | 0.1807-bp151.3.6.1 | openSUSE-SU-2020:1715-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 93.0.4577.82-1.1 | openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10681-1 |
| openSUSE Leap 15.2 | chromium | 86.0.4240.75-lp152.2.39.1 | openSUSE-SU-2020:1705-1 |
| openSUSE Leap 15.2 | gn | 0.1807-lp152.2.3.1 | openSUSE-SU-2020:1705-1 |
| openSUSE Leap 15.1 | chromium | 86.0.4240.75-lp152.2.39.1 | openSUSE-SU-2020:1705-1 |
| openSUSE Leap 15.1 | gn | 0.1807-lp152.2.3.1 | openSUSE-SU-2020:1705-1 |
Advisories 7
- RHSA-2020:4235 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-4824-1 chromium - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10681-1 chromedriver-93.0.4577.82-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1705-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1715-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1829-1 Security update for chromium, gn SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
- https://crbug.com/1106890
- openSUSE-SU-2020:1829 vendor-advisory
- FEDORA-2020-127d40f1ab vendor-advisory
- FEDORA-2020-8aca25b5c8 vendor-advisory
- FEDORA-2020-4e8e48da22 vendor-advisory
- DSA-4824 vendor-advisory