cve/2023/CVE-2023-52557.md

### [CVE-2023-52557](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52557)
![](https://img.shields.io/static/v1?label=Product&message=OpenBSD&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-131%20Incorrect%20Calculation%20of%20Buffer%20Size&color=brighgreen)

### Description

In OpenBSD 7.3 before errata 016, npppd(8) could crash by a l2tp message which has an AVP (Attribute-Value Pair) with wrong length.

### POC

#### Reference
No PoCs from references.

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