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Vulnerability Intelligence

CVE-2020-6418

HighExploitedPublic exploit

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.

Published Feb 27, 2020 · Updated Aug 5, 2026 · Also known as DEBIAN-CVE-2020-6418, UBUNTU-CVE-2020-6418

Key Facts

Patch immediately
  • CVE-2020-6418 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Chrome (Google), Debian Linux, Fedora (Fedoraproject) and 9 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 18, 2020. Public exploit code is available.
  • EPSS estimates a 79% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Chrome 80.0.3987.122, chromedriver 80.0.3987.122-34.1, chromedriver 80.0.3987.122-lp151.2.66.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

79%

Higher than 99.5% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2020-6418 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVNov 3, 2021May 3, 2022Not reported
Industry KEV feedFeb 18, 2020May 3, 2022Not reported
CIRCL KEVNov 3, 2021May 3, 2022Not reported
ENISA EUVDNov 3, 2021n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

33 affected entries in total
ProductAffected versionsFixed in
ChromeGoogle>= unspecified80.0.3987.122
Debian LinuxDebian10.0, 9.0n/a
FedoraFedoraproject30, 31n/a
Enterprise Linux DesktopRedhat6.0n/a
Enterprise Linux ServerRedhat6.0n/a
7 more affected products in the full CVE brief

Patched Releases

Chrome

80.0.3987.122

chromedriver

80.0.3987.122-34.1, 80.0.3987.122-lp151.2.66.1, 93.0.4577.82-1.1

chromium

80.0.3987.122-1, 80.0.3987.122-34.1, 80.0.3987.122-lp151.2.66.1, 80.0.3987.132-1~deb10u1, 93.0.4577.82-1.1

chromium-browser

0:80.0.3987.122-1.el6_10, 80.0.3987.149-0ubuntu0.16.04.1, 80.0.3987.149-0ubuntu0.18.04.1

nodejs

16.20.0-1.ph3

ungoogled-chromium

113.0.5672.92-1.1

ungoogled-chromium-chromedriver

113.0.5672.92-1.1

Timeline

  1. Added to Industry KEV feed

    Feb 18, 2020

  2. Publicly disclosed

    Feb 27, 2020

  3. Added to CISA KEV

    Nov 3, 2021

  4. Added to CIRCL KEV

    Nov 3, 2021

  5. Added to ENISA EUVD

    Nov 3, 2021

  6. Last updated

    Aug 5, 2026

Weakness Type

  • CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

References

13 more references in the full CVE brief

FAQ

Common Questions.

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