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ChromeWeb browser · Google

CVE-2018-6055

HIGH · 8.8 CVSS v3.0 Published 2018-09-25
Fix available
A fix is available. Upgrade to 64.0.3282.119 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Insufficient policy enforcement in Catalog Service in Google Chrome prior to 64.0.3282.119 allowed a remote attacker to potentially run arbitrary code outside sandbox via a crafted HTML page.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

This is a sandbox escape vulnerability in Google Chrome's Catalog Service component caused by insufficient policy enforcement. A remote attacker can exploit this by tricking a user into visiting a crafted HTML page, potentially allowing arbitrary code execution outside Chrome's sandbox protection mechanism.

MitigationUpdate Google Chrome to version 64.0.3282.119 or later. Ensure automatic updates are enabled or deploy the update through enterprise patch management.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
ChromeWeb browser
Affected:< 64.0.3282.119

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Check installed Chrome version
    Navigate to chrome://settings/help or run 'google-chrome --version' in terminal to see the installed Chrome version
    Affected if The installed version is less than 64.0.3282.119
  2. Verify Chrome is being used
    Confirm that the browser where the crafted HTML page would be opened is Google Chrome (not Chromium or other browsers)
    Affected if The browser is Google Chrome and the version is below 64.0.3282.119
  3. Check if automatic updates are disabled
    Navigate to chrome://settings and look under 'Chrome' settings to see if updates are enabled or disabled
    Affected if Updates are disabled and the installed version remains below 64.0.3282.119

A user is affected if Google Chrome version is below 64.0.3282.119 and the user can be tricked into visiting a crafted HTML page.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 64.0.3282.119 or later
Fixed in 64.0.3282.119
Interim mitigation

Update Google Chrome to version 64.0.3282.119 or later. Ensure automatic updates are enabled or deploy the update through enterprise patch management.

Fix this in Chrome Scoped from the published advisory
  • Consultation1.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,040
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,664.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2018-6055 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data