DEBIAN-CVE-2026-121257: Use After Free
Published Nov 3, 2026
·Updated
Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (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 Debian's chromium package are exposed if they use a version corresponding to Google Chrome before 157.0.8103.38 and can install or run a crafted Chrome extension.
2
What does an attacker need to exploit it?
The attacker needs to provide a crafted Chrome extension. Successful exploitation could potentially execute arbitrary code outside Chrome's sandbox.