CVE-2020-6559: Use after free in presentation API

Published Aug 15, 2020
·
Updated

Use after free in presentation API in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Credit

Liu Wei(Tencent Security Xuanwu Lab), Wu Zekai(Tencent Security Xuanwu Lab)

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<85.0.4183.83
85.0.4183.83
Google Chrome<85.0.4183.83
openSUSE Backports SLE=15.0-sp1
openSUSE Backports SLE=15.0-sp2
Debian Debian Linux=10.0
Fedoraproject Fedora=33
openSUSE Leap=15.1
openSUSE Leap=15.2

Event History

Aug 15, 2020
CVE Published
12:00 AM
Sep 21, 2020
CVE Published
via MITRE·07:06 PM
Data Sourced
via MITRE·07:06 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-6559?

CVE-2020-6559 is a vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page in Google Chrome prior to version 85.0.4183.83.

2

How severe is CVE-2020-6559?

CVE-2020-6559 has a severity score of 8.8 (critical).

3

Which software versions are affected by CVE-2020-6559?

Google Chrome versions prior to 85.0.4183.83, openSUSE Backports SLE 15.0-sp1 and 15.0-sp2, Debian Linux 10.0, Fedora 33, openSUSE Leap 15.1 and 15.2.

4

How can I fix CVE-2020-6559?

To fix CVE-2020-6559, update Google Chrome to version 85.0.4183.83 or later, or apply the security patches provided by your operating system for openSUSE Backports SLE, Debian Linux, Fedora, or openSUSE Leap.

5

Where can I find more information about CVE-2020-6559?

You can find more information about CVE-2020-6559 at the following references: [link1](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html), [link2](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html), [link3](http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html).

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