FKIE_CVE-2025-40843

Vulnerability from fkie_nvd - Published: 2025-10-28 19:15 - Updated: 2026-10-08 11:10
Severity
5.9 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. CodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger library, which is executed by the CodeChecker log command. This issue affects CodeChecker: through 6.26.1.
References
85b1779b-6ecd-4f52-bcc5-73eac4659dcfhttps://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8rExploit, Vendor Advisory
Impacted products
Vendor Product Version
ericsson codechecker *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "product": "CodeChecker",
          "vendor": "Ericsson",
          "versions": [
            {
              "lessThanOrEqual": "6.26.1",
              "status": "affected",
              "version": "0",
              "versionType": "python"
            }
          ]
        }
      ],
      "source": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ericsson:codechecker:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "86A8B23F-51A5-4124-9FC0-DF0DC43476A0",
              "versionEndExcluding": "6.26.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. \n\n\n\n\nCodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger\u00a0library, which is executed by the CodeChecker log\u00a0command.\n\n\n\n\n\nThis issue affects CodeChecker: through 6.26.1."
    },
    {
      "lang": "es",
      "value": "CodeChecker es una herramienta de an\u00e1lisis, base de datos de defectos y extensi\u00f3n de visualizador para Clang Static Analyzer y Clang Tidy.\n\nLas versiones de CodeChecker hasta la 6.26.1 contienen una vulnerabilidad de desbordamiento de b\u00fafer en la biblioteca interna ldlogger, que es ejecutada por el comando CodeChecker log.\n\nEste problema afecta a CodeChecker: hasta la 6.26.1."
    }
  ],
  "id": "CVE-2025-40843",
  "lastModified": "2026-10-08T11:10:00.250",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.4,
        "source": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-40843",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-28T19:30:15.826239Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-10-28T19:15:41.757",
  "references": [
    {
      "source": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/Ericsson/codechecker/security/advisories/GHSA-5xf2-f6ch-6p8r"
    }
  ],
  "sourceIdentifier": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "85b1779b-6ecd-4f52-bcc5-73eac4659dcf",
      "type": "Secondary"
    }
  ]
}



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