# CVE-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.

- Page: https://www.vulneraibility.com/cve/CVE-2020-6418
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 78.81% (percentile 99.6)
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 4 GitHub proofs of concept (first 2020-03-03)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-01-29)
- Weakness: CWE-843
- Published: 2020-02-27

## Affected versions

- Google Chrome: affected < 80.0.3987.122

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html
- [other] https://crbug.com/1053604
- [other] http://packetstormsecurity.com/files/156632/Google-Chrome-80-JSCreate-Side-Effect-Type-Confusion.html
- [advisory] https://access.redhat.com/errata/RHSA-2020:0738
- [advisory] https://www.debian.org/security/2020/dsa-4638
- [advisory] https://security.gentoo.org/glsa/202003-08
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/
- [advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-6418

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.