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TI-2021-10947 Aliases CVE-2021-30552GHSA-r283-h95m-m4ph

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 Extensions in Google Chrome prior to 91.0.4472.101 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.

Why it matters now

EPSS 0.00977 62nd percentileScored 2026-11-07
Fix Fixed Chrome (Google): 91.0.4472.101

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromebefore 91.0.4472.10191.0.4472.101Patch availableCNA
  • Chrome VendorGoogle Affected before 91.0.4472.101 Fixed in 91.0.4472.101 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*before 91.0.4472.101VulnerableGoogle
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
  • cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* Versions before 91.0.4472.101 Vulnerable ·Google
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject

Remediation

  • Fix · CNA Chrome (Google) Fixed in 91.0.4472.101

Fixed in the same release

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

  • Release ·

    Google Chrome 91.0.4472.101

    10 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM

    Other records, highest priority first

    • TI-2021-10946 Type confusion in Google ChromePriority CRITICAL 97
    • TI-2021-10942 Out-of-bounds write in Google ChromePriority MEDIUM 44
    • TI-2021-10939 Use after free in Google ChromePriority MEDIUM 41
    Show all 10 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-2021-30552
  2. 2026-10-03 Alias added: GHSA-r283-h95m-m4ph

References

Advisory 5

  • 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