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Vulnerabilities

Vulnerability · CVE-2025-59398

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 object is created with Str

Published Sep 15, 2025 · catalog updated Sep 15, 2025 · EVerest

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59398. EPSS is 0.24%. Act only if a listed version of EVerest is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low3.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Version ranges on file
Affected products
vendor EVerest libocpp 0 <0.26.2

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 object is created with StringTooLarge set to Throw.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor EVerest libocpp 0 <0.26.20 <0.26.2

How to fix CVE-2025-59398

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59398. EPSS is 0.24%. Act only if a listed version of EVerest is installed.

Which versions are affected?

Compare what you have installed with EVerest libocpp 0 <0.26.2 0 <0.26.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2025 · EUVD

    Detected

    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 object is created with StringTooLarge set to Throw.

  2. Sep 15, 2025 · EUVD

    Updated

    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 object is created with StringTooLarge set to Throw.

Sources

  • CVE.orgVulnerability recordCVE-2025-59398

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59398

    30-day exploitation probability 0.24%

    first.org
  • EUVDVulnerability recordEUVD-2025-29233

    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 object is created with StringTooLarge set to Throw.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026