DEBIAN-CVE-2026-121212: 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 to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Affected Software
3 affected components
debian/chromium*
debian/chromium*
debian/chromium*
Event History
Nov 3, 2026
CVE Published
via OSV·09:17 PM
Data Sourced
via OSV·09:17 PM
DescriptionAffected Software
Frequently Asked Questions
1
Who is exposed to this issue?
Users of the Debian chromium package are exposed when using a version of Google Chrome prior to 157.0.8103.38. Exploitation requires the user to visit an attacker-crafted HTML page.
2
What could an attacker achieve?
A remote attacker could bypass the web origin policy, an authorization boundary intended to isolate content from different web origins.
3
How can I tell whether remediation is needed?
Check the installed Chromium version against 157.0.8103.38. Versions earlier than that are identified as affected in the available advisory data.