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TI-2021-02977 Aliases CVE-2021-4098GHSA-vcm5-6w8c-v573

Time-of-check time-of-use race condition in Google Chrome

Priority LOW 33CWE-367Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Insufficient data validation in Mojo in Google Chrome prior to 96.0.4664.110 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Why it matters now

EPSS 0.00645 51st percentileScored 2026-11-07
Fix Fixed Chrome (Google): 96.0.4664.110

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 96.0.4664.11096.0.4664.110Patch availableCNA
  • Chrome VendorGoogle Affected before 96.0.4664.110 Fixed in 96.0.4664.110 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 96.0.4664.110VulnerableGoogle
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 96.0.4664.110 Vulnerable ·Google

Remediation

  • Fix · CNA Chrome (Google) Fixed in 96.0.4664.110

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Google Chrome 96.0.4664.110

    5 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2021-02981 Use after free in Google ChromePriority CRITICAL 97
    • TI-2021-02980 Out-of-bounds write in Google ChromePriority MEDIUM 40
    • TI-2021-02979 Out-of-bounds read in Google ChromePriority LOW 39
    Show all 5 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4098
  2. 2026-10-03 Alias added: GHSA-vcm5-6w8c-v573
  3. 2026-10-20 EPSS moved to the 50th–90th percentile

References

Advisory 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