CVE-2021-42198: Null Pointer Dereference
First published: Tue May 31 2022(Updated: )
An issue was discovered in swftools through 20201222. A NULL pointer dereference exists in the function swf_GetBits() located in rfxswf.c. It allows an attacker to cause Denial of Service.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SWFTools | <=2020-12-22 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-42198?
CVE-2021-42198 is classified as a Denial of Service vulnerability due to a NULL pointer dereference.
How do I fix CVE-2021-42198?
To mitigate CVE-2021-42198, update to a version of SWFTools released after 2020-12-22.
What are the potential impacts of CVE-2021-42198?
CVE-2021-42198 can result in a Denial of Service, affecting the availability of the affected software.
Which versions of SWFTools are affected by CVE-2021-42198?
CVE-2021-42198 affects all versions of SWFTools up to and including 2020-12-22.
Is there any exploit code available for CVE-2021-42198?
While specific exploit code details for CVE-2021-42198 were not provided, the nature of the vulnerability suggests it can be triggered to cause service disruption.
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