CVE-2021-39594: Null Pointer Dereference
First published: Mon Sep 20 2021(Updated: )
Other An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function updateusage() located in swftext.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
Frequently Asked Questions
What is the severity of CVE-2021-39594?
CVE-2021-39594 has a medium severity level due to the potential for Denial of Service caused by a NULL pointer dereference.
How do I fix CVE-2021-39594?
To resolve CVE-2021-39594, upgrade SWFTools to a version later than 2020-07-10 where the vulnerability has been patched.
In which versions of SWFTools is CVE-2021-39594 present?
CVE-2021-39594 is present in SWFTools version up to and including 2020-07-10.
What type of vulnerability is CVE-2021-39594?
CVE-2021-39594 is a NULL pointer dereference vulnerability that leads to Denial of Service.
Who is affected by CVE-2021-39594?
Users and applications utilizing SWFTools versions up to 2020-07-10 are affected by CVE-2021-39594.
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