CVE-2025-59398 json
The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via JSON input larger than 255 characters, beca…
published 2025-09-15 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-29233
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- EVerest libocpp 0.26.2
- github.com/EVerest/everest-core@253432a commit
- github.com/EVerest/libocpp@fb391b4 commit
- github.com/EVerest/libocpp#1052 pull request
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected products
- EVerest libocpp
Classification
- Weakness
-
- CWE-392 Missing Report of Error Condition
References
Sources
- CVE List CVE-2025-59398
- NVD CVE-2025-59398
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.