CVE-2021-21947: Out-of-bounds Read
First published: Wed Feb 23 2022(Updated: )
Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is greater or equal than 9.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AccuSoft ImageGear | =19.10 |
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Frequently Asked Questions
What is CVE-2021-21947?
CVE-2021-21947 is a vulnerability in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10 that allows for two heap-based buffer overflow vulnerabilities.
How severe is CVE-2021-21947?
CVE-2021-21947 has a severity score of 8.8, which is classified as critical.
What software is affected by CVE-2021-21947?
Accusoft ImageGear version 19.10 is affected by CVE-2021-21947.
What is the Common Weakness Enumeration (CWE) ID associated with CVE-2021-21947?
CVE-2021-21947 is associated with CWE-119, CWE-129, and CWE-122.
Where can I find more information about CVE-2021-21947?
You can find more information about CVE-2021-21947 at the following reference link: [https://talosintelligence.com/vulnerability_reports/TALOS-2021-1375]
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