CVEs-PoC/2021/CVE-2021-21946.md

### [CVE-2021-21946](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21946)
![](https://img.shields.io/static/v1?label=Product&message=ImageGear&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=19.10%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-122%3A%20Heap-based%20Buffer%20Overflow&color=brightgreen)

### Description

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 lower than 9.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1375

#### Github
No PoCs found on GitHub currently.