DEBIAN-CVE-2026-121143: Debian/chromium vulnerability
Published Nov 3, 2026
·Updated
Uninitialized resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to read memory outside 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
DescriptionAffected Software
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker must already have compromised the Chromium renderer process. They can then use a crafted HTML page to read memory outside the sandbox through the GPU component.
2
What security boundary is affected?
The issue enables memory disclosure outside the renderer sandbox. It does not describe initial renderer compromise, so this vulnerability is relevant as a sandbox-escape or post-compromise capability.