What is CVE-2021-20298?

CVE-2021-20298 is a vulnerability found in OpenEXR's B44Compressor that allows an attacker to exhaust all accessible memory by submitting a crafted file.

What is the severity of CVE-2021-20298?

The severity of CVE-2021-20298 is high with a CVSS score of 7.5.

Which software is affected by CVE-2021-20298?

OpenEXR version 2.5.7, Debian Linux version 10.0, and Red Hat OpenEXR version up to 3.0.0 are affected by CVE-2021-20298.

How can an attacker exploit CVE-2021-20298?

An attacker can exploit CVE-2021-20298 by submitting a crafted file to be processed by OpenEXR, which will exhaust all accessible memory.

Is there a fix for CVE-2021-20298?

Yes, the fix for CVE-2021-20298 is to update to OpenEXR version 3.0.0.

Vulnerability/
CVE-2021-20298

high

7.5

CWE

787 400

15/3/2021

23/8/2022

13/12/2022

CVE-2021-20298

First published: Mon Mar 15 2021(Updated: )

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
Openexr Openexr	<=2.5.7
Debian Debian Linux	=10.0
redhat/OpenEXR	<3.0.0	3.0.0

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Frequently Asked Questions

What is CVE-2021-20298?
CVE-2021-20298 is a vulnerability found in OpenEXR's B44Compressor that allows an attacker to exhaust all accessible memory by submitting a crafted file.
What is the severity of CVE-2021-20298?
The severity of CVE-2021-20298 is high with a CVSS score of 7.5.
Which software is affected by CVE-2021-20298?
OpenEXR version 2.5.7, Debian Linux version 10.0, and Red Hat OpenEXR version up to 3.0.0 are affected by CVE-2021-20298.
How can an attacker exploit CVE-2021-20298?
An attacker can exploit CVE-2021-20298 by submitting a crafted file to be processed by OpenEXR, which will exhaust all accessible memory.
Is there a fix for CVE-2021-20298?
Yes, the fix for CVE-2021-20298 is to update to OpenEXR version 3.0.0.

collector/nvd-index
collector/redhat-bugzilla
alias/CVE-2021-20298
vendor/openexr
canonical/openexr openexr
version/openexr openexr/2.5.7
vendor/debian
canonical/debian debian linux
version/debian debian linux/10.0
package-manager/redhat

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