CVE-2020-6418
HighExploitedPublic exploitType 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
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Feb 18, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
33 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ChromeGoogle | >= unspecified | 80.0.3987.122 |
| Debian LinuxDebian | 10.0, 9.0 | n/a |
| FedoraFedoraproject | 30, 31 | n/a |
| Enterprise Linux DesktopRedhat | 6.0 | n/a |
| Enterprise Linux ServerRedhat | 6.0 | n/a |
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
Added to Industry KEV feed
Feb 18, 2020
Publicly disclosed
Feb 27, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Aug 5, 2026
Weakness Type
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
References
- advisoryRHSA-2020:0738
- advisoryhttps://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html
- advisoryGLSA-202003-08
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2020-6418
- advisoryhttps://ubuntu.com/security/CVE-2020-6418
FAQ
Common Questions.
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.
Affected: Chrome (Google) versions >= unspecified; Debian Linux versions 10.0, 9.0; Fedora (Fedoraproject) versions 30, 31, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 18, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
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.
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