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Findings

CVE-2020-6418

Google Chromium V8 Type Confusion Vulnerability

Published Feb 27, 2020 · updated Jun 16, 2026 · google chrome

Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 27, 2020 · Catalog

    Detected

    Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required action

Apply updates per vendor instructions.

CISA due date May 3, 2022

Affected

  • cpe debian/debian linux10.0
  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora30
  • cpe fedoraproject/fedora31
  • cpe google/chromeversion unspecified
  • cpe redhat/enterprise linux desktop6.0
  • cpe redhat/enterprise linux server6.0
  • cpe redhat/enterprise linux workstation6.0
  • vendor Google Chromium V8version unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2020-6418

    Google Chromium V8 Engine contains a type confusion vulnerability allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-6418

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-6418

    30-day exploitation probability 78.8%

    first.org
  • Exploit DatabasePublic exploit reference48186

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/browser/chrome_jscreate_sideeffect

    Public module reference (manual). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2020-6418

    Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

CVE-2020-6418 · ZeroDay Findings