DEBIAN-CVE-2026-121238: Use After Free
Published Nov 3, 2026
·Updated
Use after free in Source 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
What user or attacker interaction is required for exploitation?
The attacker can deliver the exploit remotely, but exploitation requires user interaction with a crafted HTML page. No attacker privileges are required.
2
Which installations should be treated as potentially affected?
The affected software entry is debian/chromium. The issue affects Google Chrome versions prior to 157.0.8103.38; the provided data does not identify a corresponding Debian package version.
3
Does successful exploitation provide code execution outside the browser sandbox?
The available description states that arbitrary code execution occurs inside the sandbox. It does not state that the vulnerability enables a sandbox escape.