What is the severity of CVE-2021-39591?

CVE-2021-39591 has a severity level that can lead to a Denial of Service due to a NULL pointer dereference.

How do I fix CVE-2021-39591?

To mitigate CVE-2021-39591, users should upgrade to a version of SWFTools released after 2020-07-10.

What software is affected by CVE-2021-39591?

CVE-2021-39591 affects SWFTools versions up to and including 2020-07-10.

What vulnerability type is CVE-2021-39591?

CVE-2021-39591 is a NULL pointer dereference vulnerability that leads to Denial of Service.

Can CVE-2021-39591 be exploited remotely?

Yes, CVE-2021-39591 can potentially be exploited remotely by an attacker to cause service disruption.

Vulnerability/
CVE-2021-39591

medium

5.5

CWE

476

20/9/2021

4/8/2024

CVE-2021-39591: Null Pointer Dereference

First published: Mon Sep 20 2021(Updated: )

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function swf_GetShapeBoundingBox() located in swfshape.c. It allows an attacker to cause Denial of Service.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
SWFTools	<=2020-07-10

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Reference Links

https://github.com/matthiaskramm/swftools/issues/135

Frequently Asked Questions

What is the severity of CVE-2021-39591?
CVE-2021-39591 has a severity level that can lead to a Denial of Service due to a NULL pointer dereference.
How do I fix CVE-2021-39591?
To mitigate CVE-2021-39591, users should upgrade to a version of SWFTools released after 2020-07-10.
What software is affected by CVE-2021-39591?
CVE-2021-39591 affects SWFTools versions up to and including 2020-07-10.
What vulnerability type is CVE-2021-39591?
CVE-2021-39591 is a NULL pointer dereference vulnerability that leads to Denial of Service.
Can CVE-2021-39591 be exploited remotely?
Yes, CVE-2021-39591 can potentially be exploited remotely by an attacker to cause service disruption.

agent/softwarecombine
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/author
agent/last-modified-date
agent/weakness
agent/first-publish-date
agent/event
agent/description
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/swftools
canonical/swftools
version/swftools/2020-07-10

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Frequently Asked Questions

What is the severity of CVE-2021-39591?
CVE-2021-39591 has a severity level that can lead to a Denial of Service due to a NULL pointer dereference.
How do I fix CVE-2021-39591?
To mitigate CVE-2021-39591, users should upgrade to a version of SWFTools released after 2020-07-10.
What software is affected by CVE-2021-39591?
CVE-2021-39591 affects SWFTools versions up to and including 2020-07-10.
What vulnerability type is CVE-2021-39591?
CVE-2021-39591 is a NULL pointer dereference vulnerability that leads to Denial of Service.
Can CVE-2021-39591 be exploited remotely?
Yes, CVE-2021-39591 can potentially be exploited remotely by an attacker to cause service disruption.