cve/2023/CVE-2023-2617.md

### [CVE-2023-2617](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2617)
![](https://img.shields.io/static/v1?label=Product&message=wechat_qrcode%20Module&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%204.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-476%20NULL%20Pointer%20Dereference&color=brighgreen)

### Description

A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this vulnerability is the function DecodedBitStreamParser::decodeByteSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-228547.

### POC

#### Reference
- https://github.com/opencv/opencv_contrib/pull/3480
- https://github.com/opencv/opencv_contrib/pull/3480

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