Home/CVE/The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via JSON input larger than 2
CVE

CVE-2025-59398

The OCPP implementation in libocpp before 0.26.2 allows a denial of service (EVerest crash) via JSON input larger than 2

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.

LOW · CVSS 3.1 EPSS 0.00029
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-392Missing Report of Error Condition
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Sep 2025 · 07:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/EVerest/everest-core/commit/253432ae7458ad0445f68f9d716086090c2be49c
https://github.com/EVerest/everest-core/issues/1152
https://github.com/EVerest/libocpp/commit/fb391b4ff16a0a07150e5a8eebf0856fb6623cbe
https://github.com/EVerest/libocpp/compare/v0.26.1...v0.26.2
https://github.com/EVerest/libocpp/pull/1052
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