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TI-2018-04481 Aliases CVE-2018-6121GHSA-crqc-mc2m-phxx

Improper input validation in Google Chrome

Priority MEDIUM 40CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

Insufficient validation of input in Blink in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to perform privilege escalation via a crafted HTML page.

Why it matters now

EPSS 0.0091 60th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 66.0.3359.170Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 66.0.3359.17066.0.3359.170Patch availableCNA
  • Chrome VendorGoogle Affected before 66.0.3359.170 Fixed in 66.0.3359.170 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 66.0.3359.170VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 66.0.3359.170 Vulnerable ·Google

Remediation

  • Fix · CNA Chrome (Google) Fixed in 66.0.3359.170

Red Hat 1 advisory

  • RHSA-2018:1446 Released 2018-05-14 · Red Hat rating Important
    chromium-browser security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser-66.0.3359.170-1.el6_9
    • Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser-66.0.3359.170-1.el6_9
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser-66.0.3359.170-1.el6_9

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2018:1446
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2018:1446
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2018:1446

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-6121
  2. 2026-10-03 Alias added: GHSA-crqc-mc2m-phxx

References

Other 2

  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
See all 7586 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences