CVE-2020-6436: Use After Free

Published Apr 13, 2020
·
Updated

Use after free in window management in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected Software

9 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
Google Chrome<81.0.4044.92
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
openSUSE Leap=15.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 120.0.6099.129-1~deb11u1Fixed in 119.0.6045.199-1~deb12u1Fixed in 120.0.6099.129-1~deb12u1Fixed in 120.0.6099.129-1

Event History

Apr 13, 2020
CVE Published
via MITRE·05:30 PM
Data Sourced
via MITRE·05:30 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-6436?

CVE-2020-6436 has a high severity rating due to its potential for heap corruption, which can be exploited remotely.

2

How do I fix CVE-2020-6436?

To fix CVE-2020-6436, update Google Chrome or affected browsers to version 81.0.4044.92 or later.

3

What versions are affected by CVE-2020-6436?

CVE-2020-6436 affects Google Chrome versions prior to 81.0.4044.92, as well as specific versions of Chromium and Fedora.

4

Can CVE-2020-6436 be exploited through a web page?

Yes, CVE-2020-6436 can potentially be exploited by a remote attacker via a crafted HTML page.

5

What products are impacted by CVE-2020-6436?

CVE-2020-6436 impacts multiple products including Google Chrome, Chromium, and various Fedora and Debian Linux versions.

Contact

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