# CVE-2020-6418: Google Chromium V8 Type Confusion Vulnerability

> CVE-2020-6418: Google Chromium V8 Type Confusion Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-6418
Last updated: 2025-10-21T23:35:50Z

- Published: 2020-02-27 22:55 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: Chrome
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 78.8%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## Description

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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Google: Chrome

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-6418)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-6418)
- [http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html](http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html)
- [https://access.redhat.com/errata/RHSA-2020:0738](https://access.redhat.com/errata/RHSA-2020:0738)
- [https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop\_24.html](https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html)
- [https://crbug.com/1053604](https://crbug.com/1053604)
- [https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/](https://lists.fedoraproject.org/archives/list/package-announce%2540lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/)
- [https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/](https://lists.fedoraproject.org/archives/list/package-announce%2540lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/)
- [https://security.gentoo.org/glsa/202003-08](https://security.gentoo.org/glsa/202003-08)
- [https://www.debian.org/security/2020/dsa-4638](https://www.debian.org/security/2020/dsa-4638)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-6418 · Markdown: https://rewindex.com/cve/CVE-2020-6418.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-6418 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:31.187Z