# CVE-2025-59398

## Summary

- **CVE ID:** CVE-2025-59398
- **Severity:** LOW
- **CVSS Score:** 3.1 (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)
- **CWE:** CWE-392
- **Published:** Sep 15, 2025
- **Last Modified:** Mar 13, 2026

## Description

The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via JSON input larger than 255 characters, because a CiString<255> object is created with StringTooLarge set to Throw.

## Affected Products

- EVerest — libocpp (0)

## References

- [CNA](https://github.com/EVerest/everest-core/issues/1152)
- [CNA](https://github.com/EVerest/everest-core/commit/253432ae7458ad0445f68f9d716086090c2be49c)
- [CNA](https://github.com/EVerest/libocpp/compare/v0.26.1...v0.26.2)
- [CNA](https://github.com/EVerest/libocpp/commit/fb391b4ff16a0a07150e5a8eebf0856fb6623cbe)
- [CNA](https://github.com/EVerest/libocpp/pull/1052)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 15.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._