DEBIAN-CVE-2026-121128: Use After Free
Published Nov 3, 2026
·Updated
Use after free in Scheduling in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox 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
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Who is exposed to this issue?
Systems running Debian's chromium package are affected if their Chrome/Chromium version is earlier than 157.0.8103.38.
2
What does an attacker need to exploit it?
An attacker can trigger the issue remotely by causing a user to interact with a crafted HTML page. No attacker privileges are required, and successful exploitation can execute arbitrary code inside the browser sandbox.
3
Is the impact limited to browser sandbox code execution?
The reported code execution occurs inside the sandbox. The supplied severity vector nevertheless rates confidentiality, integrity, and availability impact as high.