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TI-2021-15737 Aliases CVE-2021-37993GHSA-477f-2ffv-3fj9

Use after free in Google Chrome

Priority MEDIUM 40CWE-416Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Why it matters now

EPSS 0.00862 58th percentileScored 2026-11-07
Fix Fixed Chrome (Google): 95.0.4638.54

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 95.0.4638.5495.0.4638.54Patch availableCNA
  • Chrome VendorGoogle Affected before 95.0.4638.54 Fixed in 95.0.4638.54 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 95.0.4638.54VulnerableGoogle
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 95.0.4638.54 Vulnerable ·Google
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

  • Fix · CNA Chrome (Google) Fixed in 95.0.4638.54

Fixed in the same release

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

  • Release ·

    Google Chrome 95.0.4638.54

    16 records Highest priority Priority MEDIUM 10 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2021-15725 Out-of-bounds write in Google ChromePriority MEDIUM 43
    • TI-2021-15736 Out-of-bounds read in Google ChromePriority MEDIUM 40
    • TI-2021-15732 Use after free in Google ChromePriority MEDIUM 40
    Show all 16 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-2021-37993
  2. 2026-10-03 Alias added: GHSA-477f-2ffv-3fj9

References

Advisory 3

  • 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