cve/2023/CVE-2023-40890.md

### [CVE-2023-40890](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-40890)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.

### POC

#### Reference
- https://hackmd.io/@cspl/H1PxPAUnn

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds