CVE-2020-6422: Use After Free
First published: Wed Mar 18 2020(Updated: )
An use after free flaw was found in the WebGL component of the Chromium browser. Upstream bug(s): <a href="https://code.google.com/p/chromium/issues/detail?id=1051748">https://code.google.com/p/chromium/issues/detail?id=1051748</a> External References: <a href="https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html">https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html</a>
Credit: chrome-cve-admin@google.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 120.0.6099.129-1~deb11u1 119.0.6045.199-1~deb12u1 120.0.6099.129-1~deb12u1 120.0.6099.129-1 | |
| redhat/chromium-browser | <80.0.3987.149 | 80.0.3987.149 |
| Google Chrome | <80.0.3987.149 | 80.0.3987.149 |
| 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 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2020-6422
- https://code.google.com/p/chromium/issues/detail?id=1051748
- https://chromereleases.googleblog.com/2020/03/stable-channel-update-for-desktop_18.html (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1815265
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1815264
- https://access.redhat.com/errata/RHSA-2020:1270
- https://access.redhat.com/security/cve/cve-2020-6422
- https://bugzilla.redhat.com/show_bug.cgi?id=1815259
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00037.html
- https://crbug.com/1051748
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DDNOAGIX5D77TTHT6YPMVJ5WTXTCQEI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
- https://security.gentoo.org/glsa/202003-53
- https://www.debian.org/security/2020/dsa-4645
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWANFIR3PYAL5RJQ4AO3ZS2DYMSF2ZGZ/
- 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/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-6422?
CVE-2020-6422 is a vulnerability related to use after free in WebGL in Google Chrome prior to version 80.0.3987.149.
How does CVE-2020-6422 affect users?
CVE-2020-6422 allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.
What is the severity level of CVE-2020-6422?
CVE-2020-6422 has a severity level of 8.8 (high).
Which software versions are affected by CVE-2020-6422?
CVE-2020-6422 affects Google Chrome versions prior to 80.0.3987.149.
How can I fix CVE-2020-6422?
To fix CVE-2020-6422, update your Google Chrome browser to version 80.0.3987.149 or later.
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