DEBIAN-CVE-2026-121221: High severity debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (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
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
An attacker must induce a user to load a crafted HTML page. The attack can be delivered remotely and does not require attacker authentication.
2
What is the impact if exploitation succeeds?
Successful exploitation may allow arbitrary code execution inside the Chromium sandbox. The reported impact includes high confidentiality, integrity, and availability effects.
3
Which versions are known to be affected?
Google Chrome versions before 157.0.8103.38 are described as affected. The provided data identifies the Debian package as debian/chromium but does not specify the Debian package version containing a fix.