DEBIAN-CVE-2026-121250: Use After Free
Published Nov 3, 2026
·Updated
Use after free in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially 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 would an attacker need to do to exploit this issue?
The attacker would need to use social engineering to persuade a target to interact with a crafted Chrome extension. The vulnerability can then potentially enable arbitrary code execution outside Chrome’s sandbox.
2
Which installations are affected?
The issue affects Debian Chromium versions prior to 157.0.8103.38. Systems at or above that version are not described as affected by the provided advisory.