CVE-2020-6422

Name: CVE-2020-6422
Creator: NVD / NIST
Published: 2020-03-23T16:15:17.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.35%

Last modified Jun 17, 2026

CVE-2020-6422 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in WebGL in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.. EPSS estimates a 2.35% chance of exploitation in the next 30 days.

Description

Use after free in WebGL in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.35%

81.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions	Update
Google	Chrome	< 80.0.3987.149	—
Fedoraproject	Fedora	30	—
Fedoraproject	Fedora	31	—
Fedoraproject	Fedora	32	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—
Opensuse	Backports Sle	15.0	Sp1
Suse	Suse Linux Enterprise Desktop	12	—
Suse	Suse Linux Enterprise Server	12	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.htmlThird Party Advisory, Vendor Advisory
https://crbug.com/1051748Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
https://security.gentoo.org/glsa/202003-53Third Party Advisory
https://www.debian.org/security/2020/dsa-4645Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.htmlMailing List, Third Party Advisory
https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.htmlThird Party Advisory, Vendor Advisory
https://crbug.com/1051748Exploit, Issue Tracking, Patch, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
https://security.gentoo.org/glsa/202003-53Third Party Advisory
https://www.debian.org/security/2020/dsa-4645Third Party Advisory

Timeline

Published: Mar 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6422?

Use after free in WebGL in Google Chrome prior to 80.0.3987.149 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

How severe is CVE-2020-6422?

CVE-2020-6422 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.35% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6422?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6422?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST