DEBIAN-CVE-2026-121131: Use After Free
Published Nov 3, 2026
·Updated
Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
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 convince a user to interact with a crafted Chrome extension. Exploitation is remote and relies on social engineering.
2
What is the potential impact of successful exploitation?
A successful attacker could execute arbitrary code outside the browser sandbox.
3
Which deployments are identified as affected?
The issue is identified in Mobile Google Chrome prior to version 157.0.8103.38. The listed affected software is Debian Chromium.