Description
Missing authorization in Workers in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | 155.0.8059.39 – < 155.0.8059.39 | 155.0.8059.39 |
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 | 155.0.8059.39-1 | — |
| Debian 13 | chromium | 155.0.8059.39-1~deb13u1 | — |
| Debian 12 | chromium | 155.0.8059.39-1~deb12u1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | chromium | 155.0.8059.39-1.1 | openSUSE-SU-2026:12091-1 |
| openSUSE Leap 16.0 | chromium | 155.0.8059.84-bp160.1.1 | openSUSE-SU-2026:22124-1 |
Advisories 3
- WID-SEC-2026-3761 Google Chrome / Microsoft Edge: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 10, 2026
- openSUSE-SU-2026:22124-1 Security update for chromium SUSE / openSUSE Security Updates · Nov 1, 2026
- openSUSE-SU-2026:12091-1 chromedriver-155.0.8059.39-1.1 on GA media SUSE / openSUSE Security Updates · Oct 10, 2026