Description
A lack of CORS checks, after a Service Worker redirected to a cross-origin PDF, in Service Worker in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to leak limited cross-origin data via a crafted HTML page.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | unspecified – < 66.0.3359.117 | 66.0.3359.117 |
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 9 | chromium-browser | 66.0.3359.117-1~deb9u1 | DSA-4182-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | chromium-browser | 66.0.3359.139-0ubuntu0.18.04.3 | — |
| Ubuntu 16.04 LTS | chromium-browser | 66.0.3359.139-0ubuntu0.16.04.3 | — |
| Ubuntu 16.04 LTS | oxide-qt | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | chromium-browser | 66.0.3359.117-1.el6_9 | RHSA-2018:1195 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 SP2 | chromium | 66.0.3359.181-55.1 | openSUSE-SU-2018:1437-1, openSUSE-SU-2018:1175-1 |
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 |
Advisories 6
- RHSA-2018:1195 Red Hat Security Advisory: chromium-browser security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-4182-1 chromium-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2018:1175-1 Security update for Chromium SUSE / openSUSE Security Updates · Feb 4, 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-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2018:1437-1 Security update for Chromium SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html
- GLSA-201804-22 vendor-advisory
- https://crbug.com/808838
- DSA-4182 vendor-advisory
- 103917 vdb-entry
- RHSA-2018:1195 vendor-advisory