CVE-2021-45482: Use After Free

Published Dec 25, 2021
·
Updated

In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.

Affected Software

2 affected componentsFixes available
WebKitGTK WebKitGTK<2.32.4
redhat/webkitgtk<2.32.4
2.32.4

Event History

Dec 25, 2021
CVE Published
via MITRE·12:04 AM
Data Sourced
via MITRE·12:04 AM
Description
Jan 13, 2022
Data Sourced
via Red Hat·01:44 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is CVE-2021-45482?

CVE-2021-45482 is a use-after-free vulnerability in WebKitGTK before version 2.32.4, specifically in the WebCore::ContainerNode::firstChild function.

2

How severe is CVE-2021-45482?

CVE-2021-45482 has a severity level of 6.5 (medium).

3

Which software versions are affected by CVE-2021-45482?

Versions of WebKitGTK up to (but excluding) version 2.32.4 are affected by CVE-2021-45482.

4

How can I fix CVE-2021-45482?

To fix CVE-2021-45482, update your WebKitGTK installation to version 2.32.4 or later.

5

Where can I find more information about CVE-2021-45482?

You can find more information about CVE-2021-45482 in the following references: [Reference 1](http://www.openwall.com/lists/oss-security/2022/01/21/2), [Reference 2](https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3).

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