CVE-2025-59398
The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
3.1
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.
- Record
CVE-2025-59398- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-392
- Updated
- 2026-11-02
EUVDEUVD-2025-29233
3.1
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.
- Record
EUVD-2025-29233- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9j3x-w929-5ch3
3.1
The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via...
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.
- Record
GHSA-9j3x-w929-5ch3- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-392
- Updated
- 2026-11-02
NVD
3.1
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.
- Record
CVE-2025-59398- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-392
- Updated
- 2026-11-02
OSV
3.1
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.
- Record
CVE-2025-59398- CVSS 3.1
- 3.1 Low
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-392
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-59398 is a low vulnerability (CVSS 3.1) in Everest Libocpp, published September 15, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.
References
github.com/EVerest/everest-core/issues/1152
github.com/EVerest/everest-core/commit/253432ae7458ad0445f68f9d716086090c2be49c
github.com/EVerest/libocpp/compare/v0.26.1...v0.26.2
github.com/EVerest/libocpp/commit/fb391b4ff16a0a07150e5a8eebf0856fb6623cbe
github.com/EVerest/libocpp/pull/1052
nvd.nist.gov/vuln/detail/CVE-2025-59398
github.com/advisories/GHSA-9j3x-w929-5ch3
github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59398.json