CVE-2021-21949: Out-of-bounds Read
First published: Thu Apr 14 2022(Updated: )
An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability.
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 the vulnerability ID for this JPEG-JFIF Scan header parser vulnerability?
The vulnerability ID is CVE-2021-21949.
What is the severity of CVE-2021-21949?
The severity of CVE-2021-21949 is critical with a CVSS score of 8.8.
How does the vulnerability in Accusoft ImageGear 19.10 manifest?
The vulnerability in Accusoft ImageGear 19.10 is an improper array index validation vulnerability in the JPEG-JFIF Scan header parser functionality.
What is the potential impact of this vulnerability?
A specially-crafted file can lead to an out-of-bounds write and potential code execution.
How can an attacker exploit CVE-2021-21949?
An attacker can provide a malicious file to trigger the vulnerability.
- collector/nvd-index
- agent/weakness
- agent/severity
- agent/author
- agent/references
- agent/tags
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
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- collector/mitre-cve
- source/MITRE
- vendor/accusoft
- canonical/accusoft imagegear
- version/accusoft imagegear/19.10