DEBIAN-CVE-2026-121040: Debian/chromium vulnerability

Published Nov 3, 2026

Updated

Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

Affected Software

3 affected components

debian/chromium*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Google Chrome to a version that resolves this vulnerability.
Fixed in 157.0.8103.38

Event History

Nov 3, 2026

CVE Published

via OSV·09:17 PM

Data Sourced

via OSV·09:17 PM

DescriptionAffected Software

Frequently Asked Questions

What must an attacker achieve before this issue can be exploited?

The attacker must first compromise the Chrome renderer process. They can then use a crafted HTML page to bypass system access restrictions.

Which Chromium versions are affected?

Google Chrome versions prior to 157.0.8103.38 are affected. The provided data identifies Debian's chromium package but does not specify Debian package versions.

How severe is this issue according to Chromium?

Chromium rates this issue as Medium severity. The supplied record assigns it a risk score of 45.