DEBIAN-CVE-2026-121134: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Information loss in BackgroundFetch 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: Low)
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
What does an attacker need to exploit this issue?
The attacker needs to induce a user to load a crafted HTML page remotely. The issue is described as allowing that page to bypass the web origin policy through BackgroundFetch.
2
Which Debian software is identified as affected?
The affected software listed is Debian's chromium package. The provided data does not identify specific Debian package versions.
3
What Chrome versions are in scope?
The issue affects Google Chrome versions prior to 157.0.8103.38. The provided data does not state which Chromium package version contains the fix.