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9.6

Google Chrome and Debian Chromium can run malicious code

CVE-2026-106234 · published 4 days ago
Summary

A flaw in older versions of Google Chrome and Debian Chromium lets a remote attacker who tricks a user into installing a specially crafted browser extension run code on the computer that bypasses the browser's security sandbox. Updating the browser to the latest version eliminates this risk.

What to do
  • Update google chrome to version 155.0.8059.39 or later.
Affected software
Ecosystem VendorProductAffected versions
– google chrome < 155.0.8059.39
Debian:12 debian chromium All versions
Original advisory text
DEBIAN-CVE-2026-106234
Use after free in Network in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Low)
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.6 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-416Use After Free
Timeline
Published6 Oct 2026
Updated8 Oct 2026
First seen6 Oct 2026
Sources
CVE-2026-106234 · NVD
CVE-2026-106234 · MITRE
DEBIAN-CVE-2026-106234 · OSV
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