DEBIAN-CVE-2026-126900: Use After Free
Published Nov 11, 2026
·Updated
Use after free in CSS in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to 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 11, 2026
CVE Published
via OSV·11:17 PM
Data Sourced
via OSV·11:17 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What does an attacker need to exploit this issue?
The attacker needs to cause Chromium to process a crafted HTML page. Successful exploitation allows arbitrary code execution inside the browser sandbox.
2
Who is exposed?
Users of the Debian Chromium package are exposed when they visit or otherwise load attacker-controlled HTML content in a vulnerable Chromium version prior to 157.0.8103.78.
3
Is the browser sandbox fully bypassed by this vulnerability?
No. The available information states that arbitrary code execution occurs inside the sandbox; it does not indicate a sandbox escape.